19523
domain: N
Appears in sequences
- "BHK" (reversible, identity, unlabeled) transform of 2,2,2,2,...at n=9A032096
- Number of binary strings of length n with equal numbers of 00001 and 00100 substrings.at n=15A164194
- Number of 0..2 arrays x(0..n-1) of n elements with each no smaller than the sum of its two previous neighbors modulo 3.at n=12A207094
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 501", based on the 5-celled von Neumann neighborhood.at n=29A272566