# A104005 (b-file synthesized from sequence entry) 0 1 1 -1 2 3 3 -2 4 9 5 -3 6 28 7 1 8 91 9 38 10 309 11 241 12 1092 13 1197 14 3991 15 5398 16 14977 17 23189 18 57324 19 96937 20 222531 21 398694 22 872413 23 1623433 24 3443284 25 6568757 26 13651743 27 26471446 28 54289161 29 106400013 30 216324604 31 426946321 32 863120107 33 1711309862