72495
domain: N
Appears in sequences
- Numbers k such that k^2 contains only digits {0,2,5}, not ending with zero.at n=12A058425
- Number of permutations of length n which avoid the patterns 1432, 2314, 3124.at n=10A116787
- 10-gonal numbers for which the sum of the digits is also a 10-gonal number.at n=18A119547
- Number of (n+3) X 5 0..1 matrices with each 4 X 4 subblock idempotent.at n=20A224562
- Numbers n such that n and n+1 both have 20 divisors.at n=13A274361
- Absolute value of product of nonzero eigenvalues of upper left (n+1)X(n+1) rank 2 submatrix of Wythoff array.at n=18A300158