# A117843 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 7 5 11 6 13 7 17 8 19 9 29 10 43 11 173 12 179 13 193 14 683 15 1657 16 2731 17 3677 18 3733 19 4001 20 5743 21 7823 22 7841 23 7901 24 9421 25 63031 26 63773 27 93287 28 157229 29 213539 30 235447 31 1008503 32 1849259 33 3144571 34 16262297 35 4146957827 36 24968880823 37 499377616471