# A095129 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 15 4 45 5 231 6 861 7 3655 8 14365 9 58311 10 232221 11 932295 12 3725085 13 14913991 14 59639581 15 238612935 16 954386205 17 3817763271 18 15270790941 19 61084037575 20 244335101725 21 977343902151 22 3909371414301 23 15637499638215 24 62549981775645