54865
domain: N
Appears in sequences
- a(n) = Fibonacci(n+1)^2 + 4*Fibonacci(n).at n=12A057592
- Fourth row of Pascal-(1,5,1) array A081580.at n=12A081590
- Number of partitions of {1,...,n} into blocks such that no even sized block is repeated.at n=10A115277
- T(n,k) = Number of n X k 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.at n=28A206838
- Number of 1 X n 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.at n=8A206839
- T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.at n=28A206900
- T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column.at n=28A207290
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 777", based on the 5-celled von Neumann neighborhood.at n=39A273532
- Number of vertices formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares).at n=22A331763