52664

Appears in sequences

• Number of trees in an n-node wheel.at n=25A002985
• a(n) = (9*n+2)*(9*n+7).at n=25A177072
• a(n) gives the number of conjugacy classes in the permutation group generated by transposition (1 2) and double n-cycle (1 3 5 7 ... 2n-1)(2 4 6 8 ... 2n). This group is a semidirect product formed by a cyclic group acting on an elementary abelian 2-group of rank n by cyclically permuting the factors.at n=19A178752
• The number of odd entries in all the 2-compositions of n.at n=8A181296
• Sum of binomial(n,k) over cubefree k.at n=15A245269
• Cardinality of Image^inf({ 2 }) under repeated base-n zero-split doubling.at n=25A254638