# A074030 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 1 5 2 6 3 7 5 8 8 9 13 10 24 11 45 12 85 13 160 14 297 15 550 16 1024 17 1920 18 3626 19 6885 20 13107 21 24989 22 47709 23 91225 24 174760 25 335462 26 645120 27 1242600 28 2396745 29 4628480 30 8948385 31 17318945 32 33554432 33 65074253 34 126320640 35 245424829 36 477218560 37 928645120 38 1808414181 39 3524082400