# A124360 (b-file synthesized from sequence entry) 0 1 1 9 2 28 3 36 4 54 5 90 6 108 7 135 8 154 9 181 10 207 11 225 12 234 13 307 14 360 15 388 16 469 17 523 18 540 19 685 20 720