# A126137 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 16 6 35 7 79 8 184 9 429 10 1019 11 2467 12 6049 13 14912 14 37128 15 93117 16 234855 17 595341 18 1516234 19 3877186 20 9950346 21 25614563 22 66124777 23 171141897 24 443963543 25 1154106845 26 3005936865 27 7842921261 28 20496470802 29 53645077679 30 140599114669 31 368973074566 32 969455391691