149856
domain: N
Appears in sequences
- High temperature series for spin-1/2 Heisenberg susceptibility on 3-dimensional simple cubic lattice.at n=4A002170
- Number of mobiles (circular rooted trees) with n nodes and 5 leaves.at n=13A055343
- Number of squares (of another matrix) in the group GL(2,Z_n) described in sequence A000252.at n=37A068516
- Numbers k such that sigma(k) divides k^2.at n=37A090777
- Let S denote the palindromes in the language {0,1,2,...,n-1}*; a(n) = number of words of length 4 in the language SS.at n=41A187277
- Binomial convolution of the numbers in sequence A080253.at n=5A217486
- Integers n such that A249670(n) = n.at n=4A249671
- Numbers whose sum of divisors is the square of one of their divisors.at n=8A303123