# A047179 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 5 10 6 11 30 12 35 13 105 14 120 15 280 16 315 17 666 18 745 19 1665 20 1881 21 4785 22 5490 23 14850 24 17160 25 45331 26 52339 27 131859 28 151775 29 371735 30 427336 31 1048840 32 1207765 33 3021240 34 3490050