# A074745 (b-file synthesized from sequence entry) 1 6 2 21 3 56 4 133 5 276 6 497 7 820 8 1257 9 1924 10 2823 11 3970 12 5487 13 7250 14 9271 15 11762 16 14889 17 18488 18 22575 19 27332 20 32515 21 38282 22 44839 23 52226 24 60859 25 70656 26 81059 27 92080 28 103743 29 116060 30 130411 31 147048 32 164995 33 184038 34 204749 35 227248 36 250955