20957
domain: N
Appears in sequences
- Linear recursion relative of Shallit sequence S(2,6).at n=8A014010
- Define the Shallit sequence S(a_0,a_1) by a_{n+2} is the least integer > a_{n+1}^2/a_n for n >= 0. This is S(2,6).at n=8A018906
- a(n) = 3*a(n-1)+a(n-2)-a(n-3)+a(n-6)-a(n-7)+a(n-10)-a(n-11).at n=8A022041
- Number of partitions satisfying cn(0,5) <= cn(2,5) and cn(0,5) <= cn(3,5).at n=39A039838
- Numbers such that the sum of the factorials of the digits of the fifth power is a square.at n=24A126078
- a(n) = 676*n + 1.at n=30A158386
- Principal diagonal of the convolution array A213573.at n=7A213574
- Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.at n=27A219349
- a(n) = 31*n^2 + 1.at n=26A247155
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 637", based on the 5-celled von Neumann neighborhood.at n=25A273306
- Magic numbers of anti-Mackay icosahedra.at n=16A277131
- Number of Motzkin excursions of length n with an even number of peaks.at n=13A307576