# A033813 (b-file synthesized from sequence entry) 1 4 2 15 3 37 4 77 5 146 6 262 7 454 8 769 9 1283 10 2119 11 3476 12 5676 13 9240 14 15011 15 24353 16 39473 17 63942 18 103538 19 167610 20 271285 21 439039 22 710475 23 1149672 24 1860312 25 3010156 26 4870647 27 7880989 28 12751829 29 20633018 30 33385054