# A304625 (b-file synthesized from sequence entry) 0 1 1 0 2 3 3 19 4 101 5 501 6 2486 7 12398 8 62329 9 315436 10 1605330 11 8207552 12 42124368 13 216903051 14 1119974861 15 5796944342 16 30068145889 17 156250892593 18 813310723907 19 4239676354631 20 22130265931880 21 115654632452514 22 605081974091853 23 3168828466966365 24 16610409114771876 25 87141919856550506