20629
domain: N
Appears in sequences
- <h[d,d],s[d,d]*s[d,d]*s[d,d]> where h[d,d] is a homogeneous symmetric function, s[d,d] is a Schur function indexed by two parts, * represents the Kronecker product and <, > is the standard scalar product on symmetric functions.at n=37A115375
- Expansion of x^3 / (1 - x - 5*x^2 - x^3 + x^4).at n=13A129113
- Ulam's spiral (NNE spoke).at n=36A143861
- Composite numbers coprime to 6 such that A179382(n) = A000265(n-1), the odd part of n-1.at n=33A225913
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 705", based on the 5-celled von Neumann neighborhood.at n=24A273419
- Numbers k in A228058 such that also A001065(k) is in A228058.at n=28A325380
- a(n) = Sum_{i,j = 0..n} C(n, i)^2*C(n, j)^2*C(i+j, i)*2^(i+j).at n=3A383274