# A006453 (b-file synthesized from sequence entry) 0 1 1 6 2 107 3 3186 4 132849 5 7122870 6 466788195 7 36153055890 8 3230902408545 9 327238250094630 10 37043457415695675 11 4634751809368192050 12 635113491345511326225 13 94599619441277679278550