# A015635 (b-file synthesized from sequence entry) 1 1 2 3 3 9 4 18 5 43 6 62 7 125 8 181 9 282 10 370 11 597 12 725 13 1090 14 1336 15 1709 16 2085 17 2873 18 3280 19 4366 20 5018 21 6054 22 6966 23 8854 24 9790 25 11943 26 13451 27 15744 28 17530 29 21237 30 22839 31 27331 32 30169 33 34186 34 37498 35 42916 36 45948 37 53484 38 58104 39 64699 40 69534 41 79743