# A154746 (b-file synthesized from sequence entry) -2 1 -1 0 0 1 1 2 2 3 3 20 4 23 5 89 6 2871 7 51767 8 158172 9 1317143 10 1475315 11 4267773 12 10010861 13 24289495 14 204326821 15 1045923600 16 2296174021 17 3342097621 18 12322466884 19 27987031389 20 40309498273 21 592320007211 22 1224949512695