# A128882 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 2 4 7 5 14 6 47 7 104 8 383 9 944 10 3839 11 10394 12 46079 13 135134 14 645119 15 2027024 16 10321919 17 34459424 18 185794559 19 654729074 20 3715891199 21 13749310574 22 81749606399 23 316234143224 24 1961990553599 25 7905853580624 26 51011754393599