27147
domain: N
Appears in sequences
- a(n) = A026905(n) - A014284(n).at n=29A086741
- Diagonal sums of number triangle A113582.at n=29A154324
- Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of n-element unlabeled interval posets of height k.at n=74A193387
- Integers n not of form 3m+1 such that for any integer k>0, n*10^k-1 has a divisor in the set { 7, 11, 13, 37 }.at n=4A243974
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 366", based on the 5-celled von Neumann neighborhood.at n=43A268275
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood.at n=34A270158
- Numbers k such that k!4 + 2^3 is prime, where k!4 = k!!!! is the quadruple factorial number (A007662).at n=38A291343
- Number of partitions of n with at most four part sizes.at n=46A364793