# A011907 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 0 5 2 6 4 7 8 8 13 9 20 10 28 11 39 12 52 13 68 14 87 15 109 16 134 17 163 18 195 19 232 20 273 21 319 22 369 23 425 24 485 25 552 26 624 27 702 28 786 29 876 30 974 31 1078 32 1190 33 1309 34 1436 35 1570 36 1713 37 1864 38 2024 39 2193 40 2371 41 2558 42 2755 43 2961