# A098651 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 15 5 30 6 39 7 78 8 105 9 910 10 7735 11 18655 12 98605 13 214415 14 265031 15 283309 16 313937 17 373395 18 432419 19 440115 20 441285 21 497211 22 573287 23 658502 24 1035741 25 1198806