# A135948 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 7 5 17 6 23 7 37 8 41 9 43 10 47 11 53 12 59 13 61 14 67 15 71 16 73 17 79 18 89 19 97 20 241 21 479 22 571 23 673 24 853