# A370216 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 10 4 49 5 151 6 532 7 2353 8 9745 9 37675 10 150851 11 624603 12 2561476 13 10426625 14 42800031 15 176797510 16 730069649 17 3016004001 18 12492387775 19 51845882845 20 215363387699 21 895504027855 22 3728271696139 23 15538300424315 24 64812978200068 25 270565786871401 26 1130394586039421