20656
domain: N
Appears in sequences
- Series for second perpendicular moment of hexagonal lattice.at n=8A006738
- Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding four.at n=28A189325
- Number of nX2 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.at n=4A200852
- Number of nX5 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.at n=1A200855
- T(n,k)=Number of nXk 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.at n=16A200858
- T(n,k)=Number of nXk 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.at n=19A200858
- Number of ways to choose a constant rooted partition of each part in a constant rooted partition of n.at n=42A301763
- a(n) = -2*a(n-1) + a(n-2) + a(n-3), a(0) = -1, a(1) = -4, a(2) = 5.at n=12A321174
- Number of ways of 4-coloring the Fibonacci square spiral tiling of n squares with colors introduced in order.at n=33A331394