# A085788 (b-file synthesized from sequence entry) 1 6 2 27 3 72 4 150 5 270 6 441 7 672 8 972 9 1350 10 1815 11 2376 12 3042 13 3822 14 4725 15 5760 16 6936 17 8262 18 9747 19 11400 20 13230 21 15246 22 17457 23 19872 24 22500 25 25350 26 28431 27 31752 28 35322 29 39150 30 43245 31 47616 32 52272 33 57222 34 62475 35 68040 36 73926 37 80142 38 86697 39 93600 40 100860 41 108486