# A151321 (b-file synthesized from sequence entry) 0 1 1 3 2 13 3 59 4 279 5 1341 6 6527 7 31995 8 157659 9 779601 10 3864985 11 19197119 12 95485691 13 475450235 14 2369357063 15 11815028649 16 58946549799 17 294208885315 18 1468899193277 19 7335669719437 20 36641882024645 21 183058171254391 22 914661462596977 23 4570679817175993 24 22842398781064325 25 114165818614661101