# A048430 (b-file synthesized from sequence entry) 1 7 2 7 3 212 4 212 5 377773 6 519915 7 2332332 8 65144156 9 309171903 10 10319091301 11 58981418985 12 1833641463381 13 1992590952991 14 47417877871474 15 704928828829407 16 15508087878080551 17 89528359195382598 18 1823627796977263281