# A023662 (b-file synthesized from sequence entry) 1 2 2 9 3 24 4 51 5 96 6 165 7 264 8 399 9 576 10 805 11 1094 12 1451 13 1886 14 2405 15 3014 16 3723 17 4544 18 5485 19 6554 20 7761 21 9112 22 10615 23 12280 24 14117 25 16140 26 18361 27 20786 28 23421 29 26272 30 29345 31 32658 32 36229 33 40068 34 44183 35 48586 36 53289 37 58300 38 63631 39 69292