# A024831 (b-file synthesized from sequence entry) 2 2 3 7 4 10 5 10 6 15 7 23 8 37 9 59 10 95 11 153 12 247 13 399 14 645 15 1043 16 1687 17 2729 18 4415 19 7143 20 11557 21 18699 22 30255 23 48953 24 79207 25 128159 26 207365 27 335523 28 542887 29 878409 30 1421295 31 2299703 32 3720997 33 6020699 34 9741695 35 15762393 36 25504087 37 41266479 38 66770565 39 108037043 40 174807607 41 282844649