# A001425 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 129 4 43968 5 254429900 6 30468670170912 7 91267244789189735259 8 8048575431238519331999571800 9 24051927835861852500932966021650993560 10 2755731922430783367615449408031031255131879354330