# A033452 (b-file synthesized from sequence entry) 0 0 1 1 2 5 3 22 4 99 5 471 6 2386 7 12867 8 73681 9 446620 10 2856457 11 19217243 12 135610448 13 1001159901 14 7714225057 15 61904585510 16 516347066551 17 4468588592739 18 40058673825258 19 371421499686007 20 3556976106133821