#include // https://codeforces.com/blog/entry/96344 #pragma GCC optimize("O2,unroll-loops") #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt") using namespace std; template void dbg(std::string const &str, Args &&...args) { std::cout << std::vformat(str, std::make_format_args(args...)); } template void dbg(T const &t) { std::cout << t; } template void dbgln(T const &t) { if constexpr (std::is_convertible_v) { std::cout << t << '\n'; } else { for (auto const &e : t) { std::cout << e << ' '; } std::cout << '\n'; } } void dbgln() { std::cout << '\n'; } template void dbgln(std::string const &str, Args &&...args) { dbg(str, std::forward(args)...); cout << '\n'; } template void dbgln(T const &t) { dbg(t); cout << '\n'; } template constexpr T MIN = std::numeric_limits::min(); template constexpr T MAX = std::numeric_limits::max(); template static T sc(auto &&x) { return static_cast(x); } #define ff first #define ss second #define eb emplace_back #define ll long long #define ld long double #define vec vector #define endl '\n' #define all(x) (x).begin(), (x).end() #define rall(x) (r).rbegin(), (x).rend() #define sz(x) static_cast((x).size()) #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a)) #define ROF(a, b, c) for (int(a) = (b); (a) > (c); --(a)) constexpr int MOD = 998244353; void solve() { ll k, n; cin >> k >> n; vec dp(k + 1); dp[1] = n; for (ll i = 2; i <= k; ++i) { ll for_i = (n * (n + 1)) / 2 % MOD; dp[i] = for_i; for (ll factor = 2; factor < min(k, (ll)floorl(sqrtl(i))) + 1; ++factor) { if (i % factor == 0) { ll extra = (n * (n + 1) * (n - 1)) / 6 % MOD; dp[i] = (dp[i] + extra) % MOD; if (factor * factor != i) { dp[i] = (dp[i] + extra) % MOD; } } } } FOR(i, 1, k + 1) { cout << dp[i] % MOD << " \n"[i == k]; } } int main() { cin.tie(nullptr)->sync_with_stdio(false); int t = 1; cin >> t; while (t--) { solve(); } return 0; }