48994

Appears in sequences

• Molien series for certain 16-dimensional group of order 322560 arising from genus-2 weight enumerators of singly-even (but not necessarily self-dual or self-orthogonal) binary codes.at n=22A092351
• a(n) = A110722(n)/121.at n=14A110723
• a(n) = n*(n + 1)*(4*n - 1)/3.at n=33A268684