# A088172 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 7 5 13 6 26 7 53 8 106 9 211 10 422 11 845 12 1689 13 3379 14 6758 15 13515 16 27031 17 54061 18 108122 19 216245 20 432489 21 864979 22 1729958 23 3459915 24 6919830 25 13839661 26 27679322 27 55358643 28 110717287 29 221434573 30 442869146 31 885738293 32 1771476586 33 3542953171