504864
domain: N
Appears in sequences
- Number of n X n arrays of squares of integers summing to 14 with every element equal to at least one neighbor.at n=3A146498
- Triangle read by rows: T(n,k) is the number of reverse alternating (i.e., up-down) permutations of {1,2,...,n} having k fixed points (n >= 0, 0 <= k <= 1 + floor(n/2)).at n=53A162980