# A056180 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 7 4 14 5 24 6 40 7 63 8 95 9 140 10 201 11 281 12 384 13 516 14 682 15 888 16 1141 17 1449 18 1820 19 2263 20 2789 21 3408 22 4133 23 4976 24 5951 25 7074 26 8360 27 9826 28 11492 29 13376 30 15499 31 17884 32 20554 33 23533 34 26849 35 30528 36 34600 37 39095 38 44045 39 49485 40 55450 41 61976 42 69103