265725

Appears in sequences

• Triangle read by rows: T(n,k) = n*(1+n^k)/2, 0<=k<=n.at n=50A108396
• a(n) = n*(n^5 + 1)/2.at n=9A167963
• a(n) = n^2*(n^10 + 1)/2.at n=3A168176
• Numbers of the form k*(k^5 +- 1)/2.at n=17A361263