# A115691 (b-file synthesized from sequence entry) 1 1 2 100 3 1000 4 5400 5 10000 6 54000 7 100000 8 540000 9 1000000 10 1306449 11 1728243 12 5400000 13 10000000 14 50086125 15 54000000 16 100000000 17 130644900 18 172824300 19 540000000 20 1000000000 21 1044000721 22 1306449000 23 1728243000 24 5008612500