# A071997 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 7 5 11 6 19 7 27 8 43 9 75 10 115 11 171 12 307 13 555 14 691 15 1383 16 2467 17 3627 18 7243 19 10995 20 17587 21 28973 22 57943 23 87963 24 136627 25 267573 26 465293 27 807629 28 1407093 29 2390667 30 4216531 31 7122293 32 11245133 33 21756267 34 39652589