# A067572 (b-file synthesized from sequence entry) 1 1 2 15 3 62 4 1061 5 16049 6 163863 7 288099 8 1416729 9 2083059 10 13348207 11 30204871 12 35154349 13 59852792 14 63224809 15 283280355 16 464690354 17 484273317 18 546188411 19 950441582 20 1282519339 21 1395158907 22 1406767949 23 1438132761 24 2530805413 25 3442427162 26 4774940354 27 9019693953