# A134195 (b-file synthesized from sequence entry) 0 1 1 3 2 7 3 15 4 32 5 72 6 178 7 494 8 1543 9 5373 10 20581 11 85653 12 383494 13 1833250 14 9301792 15 49857540 16 281193501 17 1663183383 18 10286884195 19 66365330811 20 445598473612 21 3107611606908 22 22470529228910 23 168190079241210 24 1301213084182483 25 10391369994732593 26 85553299734530113