26474

Appears in sequences

• Coordination sequence for A_7 lattice.at n=4A008389
• Square array T(n,k) (n >= 1, k >= 0) read by antidiagonals: coordination sequence for root lattice A_n.at n=59A103881
• a(n) + a(n+1) + a(n+2) = n^3.at n=44A152728
• a(n) = 144*n^2 - 127*n + 28.at n=13A156719
• Number of integer sequences of length n+1 with sum zero and sum of absolute values 8.at n=6A157053
• Numbers n such that n = x + y, sigma_1(n) = sigma_1(x) + sigma_1(y) and sigma_2(n) = sigma_2(x) + sigma_2(y).at n=16A219033
• Numbers m that divide 3^(m + 1) + 1.at n=14A328230
• Radicands of pure cubic number fields of type BETA and subtype M0.at n=27A363699