49501
domain: N
Appears in sequences
- Numbers n such that in n^3 the parity of digits alternates.at n=31A030159
- Triangle read by rows: T(n,k) = A022166(n,k)*n!/binomial(n,k) + 1 - n!.at n=24A176417
- Number of strict partitions of 2n + 1 having an ordering of the parts in which no two neighboring parts have the same parity.at n=41A239883
- Numbers that cannot be expressed as sum of at most nine repdigits numbers. One may not add two integers with the same repeated digit.at n=10A339673
- Number of partitions of n with prime rank.at n=50A363241
- a(n) = 1 - 5*(n + 1)^2 + 5*(n + 1)^4.at n=9A385897