32811
domain: N
Appears in sequences
- Numbers n such that 54 'Reverse and Add' steps are needed to reach a palindrome.at n=10A065321
- Number of complete compositions of n.at n=16A107429
- Number of ways to place 3 nonattacking bishops on a 3 X n board.at n=20A172207
- G.f.: Sum_{n>=0} [Sum_{k=0..n} C(n,k)^2*x^k]^n*x^n.at n=7A183166
- Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.at n=12A233297
- Number of subsets of {1..n} whose elements have the same smallest prime factor.at n=31A339510
- E.g.f. satisfies A(x) = exp( 3 * (exp(x*A(x)^(1/3)) - 1) ).at n=5A377074