# A037702 (b-file synthesized from sequence entry) 1 1 2 7 3 28 4 114 5 457 6 1831 7 7324 8 29298 9 117193 10 468775 11 1875100 12 7500402 13 30001609 14 120006439 15 480025756 16 1920103026 17 7680412105 18 30721648423 19 122886593692 20 491546374770 21 1966185499081 22 7864741996327 23 31458967985308