# A077702 (b-file synthesized from sequence entry) 1 5 2 15 3 105 4 6510 5 156240 6 12655440 7 11554416720 8 12675195141840 9 10571112748294560 10 14112435518973237600 11 77999431113365084215200 12 45317669476865113929031200 13 136995314828563239407461317600