1458176

Appears in sequences

• Consider the Post tag system defined in A284116; a(n) = number of binary words of length n which terminate in a cycle.at n=20A289671
• Number of subsets of {1..n} that cannot be linearly combined using nonnegative coefficients to obtain n.at n=32A365380
• Sum of the number of cells alive after 2 generations of Conway's game of life for initial 1 X n cells taken in all 2^n combinations of alive or dead.at n=17A384694