# A261130 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 35 5 7 6 77 7 143 8 143 9 2431 10 46189 11 4199 12 96577 13 7429 14 7429 15 215441 16 6678671 17 392863 18 392863 19 765049 20 765049 21 31367009 22 1348781387 23 58642669 24 2756205443 25 2756205443 26 2756205443 27 146078888479 28 146078888479 29 5037203051 30 297194980009 31 584803025179