# A144108 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 1 4 0 5 1 6 3 7 1 8 0 9 2 10 14 11 3 12 1 13 0 14 6 15 77 16 14 17 3 18 2 19 0 20 24 21 497 22 77 23 14 24 6 25 6 26 0 27 120 28 3676 29 497 30 77 31 28 32 18 33 24 34 0 35 720 36 30677 37 3676 38 497 39 154 40 84 41 72 42 120 43 0 44 5040 45 285335 46 30677 47 3676 48 994 49 462 50 336 51 360 52 720 53 0 54 40320