22806
domain: N
Appears in sequences
- Number of aperiodic bracelets (turnover necklaces) with n beads of 3 colors.at n=11A032294
- Numbers that are sums of 2 or more consecutive squares in more than 1 way.at n=30A062681
- Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,5.at n=35A064239
- Triangle read by rows: T(n,k) (0<=k<=floor(n/2)) is the number of Delannoy paths of length n, having k ED's.at n=17A110221
- a(n) = prime(n)_prime(n).at n=34A122622
- Numbers that are the sum of one or more consecutive squares in more than one way.at n=37A130052
- Number of valleys in all weighted lattice paths in B(n).at n=15A182902
- n^2 * (n^4 - n^2 + n + 1) / 2.at n=6A214085
- Least b > p_n^2 such that [p_1^2,p_2^2,...,p_n^2] in base b is prime, where p_j denotes the j-th prime.at n=33A224197
- Number of partitions p of n such that the number of parts having multiplicity 1 is a part and max(p) - min(p) is a part.at n=50A241447
- Number of partitions of n with difference -3 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=46A242689
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 275", based on the 5-celled von Neumann neighborhood.at n=32A271093
- Numbers that can be written as the sum of four or more consecutive squares in more than one way.at n=21A307937
- Total number of graceful labelings of cubic graphs with 2n vertices.at n=4A337965
- G.f. A(x) satisfies: A(x) = 1 + x + x^2 + x^3 + x^4 * A(x)^3.at n=19A346734
- Expansion of 1/((1-x) * (1-5*x))^(7/2).at n=4A387238