# A049433 (b-file synthesized from sequence entry) 1 3 2 4 3 6 4 8 5 9 6 12 7 28 8 78 9 99 10 184 11 286 12 291 13 398 14 411 15 600 16 718 17 732 18 889 19 1963 20 2240 21 2242 22 2533 23 8800 24 11403