# A297741 (b-file synthesized from sequence entry) 0 1 1 9 2 41 3 129 4 321 5 681 6 1289 7 2121 8 3081 9 4121 10 5233 11 6445 12 7777 13 9233 14 10813 15 12517 16 14345 17 16297 18 18373 19 20573 20 22897 21 25345 22 27917 23 30613 24 33433 25 36377 26 39445 27 42637 28 45953 29 49393 30 52957 31 56645 32 60457 33 64393 34 68453 35 72637 36 76945 37 81377 38 85933 39 90613 40 95417