# A018132 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 4 5 7 6 10 7 15 8 22 9 33 10 49 11 72 12 106 13 157 14 232 15 343 16 506 17 747 18 1102 19 1626 20 2401 21 3543 22 5229 23 7717 24 11388 25 16807 26 24803 27 36604 28 54019 29 79720 30 117649 31 173623 32 256228 33 378135 34 558041 35 823543