# A016060 (b-file synthesized from sequence entry) 3 2 4 6 5 14 6 23 7 42 8 69 9 126 10 207 11 302 12 437 13 621 14 906 15 1275 16 1503 17 1863 18 2718 19 3825 20 4509 21 5589 22 6710 23 8303 24 10298 25 12026 26 13527 27 16767 28 20130 29 24225 30 28557 31 30894 32 35970 33 39501 34 40581 35 50301