# A007194 (b-file synthesized from sequence entry) 0 0 1 1 2 6 3 45 4 374 5 3300 6 30282 7 285682 8 2751258 9 26921589 10 266797836 11 2671518873 12 26981681412 13 274493963898 14 2809920769440 15 28919412629031