# A228493 (b-file synthesized from sequence entry) 1 3 2 10 3 23 4 79 5 260 6 599 7 859 8 3176 9 591595 10 1186366 11 2964327 12 63437233 13 66401560 14 129838793 15 196240353 16 326079146 17 522319499 18 6071593635 19 279815626709 20 565702847053 21 5936844097239 22 6502546944292 23 18941937985823 24 139096112845053 25 297134163675929