# A051530 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 3 4 4 5 5 6 15 7 14 8 24 9 35 10 44 11 54 12 81 13 88 14 115 15 143 16 168 17 195 18 247 19 270 20 322 21 375 22 424 23 476 24 561 25 608 26 693 27 779 28 860 29 945 30 1071 31 1150 32 1276 33 1403 34 1524 35 1650 36 1825 37 1944 38 2119 39 2295 40 2464 41 2639 42 2871 43 3038 44 3270 45 3503 46 3728 47 3960 48 4257 49 4480