# A119916 (b-file synthesized from sequence entry) 0 0 1 1 2 4 3 17 4 64 5 233 6 820 7 2825 8 9568 9 31985 10 105796 11 346913 12 1129312 13 3653657 14 11758132 15 37665881 16 120172096 17 382039649 18 1210689028 19 3825777329 20 12058462720 21 37918780361 22 118986517684 23 372650082857 24 1165021837984