# A097952 (b-file synthesized from sequence entry) 0 0 1 4 2 46 3 475 4 4719 5 46534 6 459970 7 4562537 8 45337545 9 451112256 10 4493162026 11 44786187348 12 446664473808 13 4456613596481 14 44480880591963 15 444075310669968 16 4434375640450064 17 44287795522995300 18 442382943864554586