# A007670 (b-file synthesized from sequence entry) 1 3 2 7 3 47 4 73 5 79 6 113 7 151 8 167 9 239 10 241 11 353 12 367 13 457 14 1367 15 3041 16 27529 17 49207 18 160423 19 364289 20 991961 21 1203793 22 1667321 23 4792057