# A024368 (b-file synthesized from sequence entry) 1 1 2 3 3 4 4 7 5 15 6 25 7 47 8 76 9 123 10 199 11 340 12 550 13 919 14 1487 15 2453 16 3969 17 6422 18 10391 19 16936 20 27403 21 44538 22 72064 23 116924 24 189187 25 306632 26 496141 27 802773 28 1298914 29 2103051 30 3402808 31 5508066 32 8912238