# A246571 (b-file synthesized from sequence entry) 0 1 1 6 2 39 3 340 4 3041 5 28718 6 279987 7 2788464 8 28256709 9 290124182 10 3010689527 11 31516942060 12 332347297141 13 3526399820374 14 37616896717155 15 403127408462816 16 4337723615579781 17 46842172878701486 18 507454305359968827 19 5513119883595629556 20 60050379276555861857 21 655611405802102543086