# A295146 (b-file synthesized from sequence entry) 0 1 1 3 2 7 3 17 4 36 5 76 6 156 7 317 8 639 9 1284 10 2574 11 5155 12 10317 13 20642 14 41292 15 82594 16 165197 17 330405 18 660820 19 1321652 20 2643315 21 5286643 22 10573298 23 21146610 24 42293233 25 84586481 26 169172976