# A088415 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 7 5 11 6 13 7 17 8 19 9 43 10 53 11 59 12 73 13 79 14 83 15 89 16 149 17 367 18 431 19 853 20 4007 21 6143 22 8819 23 8969