19444
domain: N
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 76 ones.at n=29A031844
- a(n) = 2*(n^3 + n^2 + n - 1).at n=21A155120
- Number of trapezoids, distinct up to congruence, on an n X n grid (or geoboard).at n=13A181945
- Number of right triangles on a (n+1) X 4 grid.at n=36A189808
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 169", based on the 5-celled von Neumann neighborhood.at n=31A270463
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 758", based on the 5-celled von Neumann neighborhood.at n=31A273490
- p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S^2 - S^4.at n=16A291400
- Number of compositions of n whose run-lengths are unimodal.at n=16A332726