# A095128 (b-file synthesized from sequence entry) 1 1 2 4 3 13 4 46 5 160 6 559 7 1951 8 6811 9 23776 10 82999 11 289738 12 1011436 13 3530785 14 12325489 15 43026601 16 150199996 17 524327701 18 1830356494 19 6389524888 20 22304959951 21 77863573135 22 271811114419 23 948855529576 24 3312325244431 25 11562875678026 26 40364421993364 27 140906692091713