# A003542 (b-file synthesized from sequence entry) 1 1 2 31 3 71 4 127 5 2201 6 3937 7 9017 8 122921 9 279527 10 3810551 11 8727391 12 15610967 13 270549121 14 483939977 15 1108378657 16 34359738367