# A308260 (b-file synthesized from sequence entry) 0 1 1 2 2 2 3 6 4 10 5 210 6 22 7 30030 8 1870 9 149226 10 3910 11 6469693230 12 11594 13 7420738134810 14 3215630 15 741422598 16 2569288370 17 32589158477190044730 18 28045886 19 117288381359406970983270 20 19644868330 21 4812825965463978 22 23916676633630 23 3217644767340672907899084554130