81423
domain: N
Appears in sequences
- Number of partitions of n of the form a_1*b_1^2 + a_2*b_2^2 + ...; number of semisimple rings with p^n elements for any prime p.at n=38A004101
- Smallest of three consecutive integers divisible respectively by three consecutive squares greater than 1.at n=24A178919
- Number of (n+3) X 6 0..1 matrices with each 4 X 4 subblock idempotent.at n=20A224563
- Number of vertices in the hyperoctahedral (or cocktail party) graph of order n.at n=20A368756