# A028046 (b-file synthesized from sequence entry) 0 1 1 27 2 481 3 7203 4 98665 5 1285179 6 16245937 7 201600531 8 2472643129 9 30100201131 10 364634299393 11 4403082925059 12 53056831273993 13 638440928326683 14 7675363823623249 15 92216951605023987 16 1107504122083376857 17 13297255155917290635 18 159624707672057279905