# A132331 (b-file synthesized from sequence entry) 0 1 1 3 2 3 3 10 4 18 5 18 6 72 7 93 8 141 9 381 10 423 11 990 12 1701 13 2304 14 4998 15 7275 16 12960 17 21195 18 34812 19 58860 20 90576 21 163603 22 239445 23 413964 24 669096 25 1017918 26 1768608 27 2639988 28 4383036 29 6880680 30 10911267 31 17411292 32 26930250 33 43797420 34 66324909 35 107180772