# A045476 (b-file synthesized from sequence entry) 1 2 2 3 3 4 4 6 5 8 6 10 7 14 8 18 9 24 10 32 11 42 12 55 13 74 14 100 15 134 16 178 17 237 18 311 19 413 20 548 21 736 22 988 23 1314 24 1744 25 2309 26 3084 27 4130 28 5500 29 7336 30 9788