23513
domain: N
Appears in sequences
- The first 10 digits of the fifth root of n contain the digits 0-9.at n=13A119520
- G.f. A(x) satisfies: A(x) = 1 + Sum_{k>=1} k*x^k*A(x)^k/(1 + x^k*A(x)^k).at n=9A307401
- Starts of runs of 3 consecutive positive negaFibonacci-Niven numbers (A331085).at n=44A331087
- Number of even-length integer partitions of n with integer alternating product.at n=50A347704
- a(n) = Sum_{k=0..floor(2*n/9)} binomial(2*n-7*k,2*k).at n=19A392399