322920
domain: N
Appears in sequences
- a(n) = binomial(2*n, n) mod ((n+1)*(n+2)*(n+3)*(n+4)).at n=21A065346
- Numbers with prime factorization pqrs^3t^3.at n=20A190385
- a(n) = (n-3)*(n-2)*(n-1)*n*(n+1)/30.at n=26A210569
- The smallest k that is a Rhonda number in exactly n bases.at n=6A217986
- Numbers n such that n-19, n-1, n+1 and n+19 are consecutive primes.at n=19A262668
- G.f. satisfies A(x) = 1 + x^3*A(x)^4*(1 + x*A(x)).at n=21A365725