# A048714 (b-file synthesized from sequence entry) 0 17 1 119 2 325 3 1755 4 4097 5 28679 6 86037 7 438379 8 1118481 9 7829367 10 21251141 11 115203547 12 269553921 13 1886877447 14 5658395925 15 28837796715 16 73015558161 17 511108907127 18 1395885670725 19 7537782621915 20 17596749516801