# A198944 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 7 4 23 5 78 6 291 7 1126 8 4436 9 17910 10 73773 11 308188 12 1303402 13 5573133 14 24050795 15 104620985 16 458324429 17 2020417339 18 8956142180 19 39899217350 20 178549985024 21 802275736073 22 3618237414959 23 16373514195570 24 74325340129430 25 338356926399193 26 1544406450870590