# A167145 (b-file synthesized from sequence entry) 0 1 1 5 2 20 3 105 4 755 5 7206 6 86895 7 1264270 8 21399545 9 410288306 10 8742115145 11 204205278908 12 5177537318502 13 141430336450640 14 4138123770051847 15 129084367791600672 16 4276207014911374799 17 149935339089873769895