# A048150 (b-file synthesized from sequence entry) 0 1 1 4 2 9 3 20 4 31 5 48 6 65 7 86 8 113 9 140 10 173 11 206 12 239 13 286 14 327 15 378 16 425 17 478 18 533 19 590 20 659 21 722 22 793 23 862 24 933 25 1020 26 1099 27 1184 28 1271 29 1360 30 1455 31 1550 32 1655 33 1758 34 1865 35 1976 36 2079 37 2202 38 2319 39 2448 40 2569 41 2694 42 2827 43 2960