# A074523 (b-file synthesized from sequence entry) 0 3 1 16 2 114 3 856 4 6498 5 49576 6 379794 7 2920696 8 22542018 9 174571336 10 1356217074 11 10567261336 12 82560763938 13 646644824296 14 5076269583954 15 39931933598776 16 314707907280258 17 2484430327672456 18 19642812107392434 19 155514083261229016