# A024463 (b-file synthesized from sequence entry) 1 1 2 3 3 8 4 12 5 26 6 34 7 63 8 77 9 136 10 160 11 272 12 312 13 521 14 587 15 968 16 1076 17 1762 18 1938 19 3159 20 3445 21 5600 22 6064 23 9840 24 10592 25 17169 26 18387 27 29784 28 31756 29 51418 30 54610 31 88399 32 93565 33 151432 34 159792 35 258592 36 272120 37 440345 38 462235 39 747960 40 783380 41 1267586