122624
domain: N
Appears in sequences
- Admirable numbers such that the subtracted divisor is square.at n=21A109806
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, -1), (0, 1, 0), (1, 0, 1), (1, 1, 1)}.at n=8A151198
- Abundant numbers n such that n/(sigma(n)-2n) is an integer.at n=35A153501
- Numbers with abundance 32.at n=7A175989
- Abundant numbers n for which the abundance d = sigma(n) - 2*n is a proper divisor, that is, 0 < d < n and d | n.at n=33A181595
- Numbers m with divisor 32 | m and abundance sigma(m)-2*m = 32.at n=2A181601
- Near-perfect numbers (A181595) of the form 2^(t-1)*(2^t-2^k-1), where 2^t-2^k-1 is prime, k>=1, t>k.at n=17A181701
- Numbers of the form m=2^(t-1)*(2^t-33), where 2^t-33 is prime.at n=2A181707
- Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 307", based on the 5-celled von Neumann neighborhood.at n=16A287599