# A115157 (b-file synthesized from sequence entry) 1 480 2 504 3 560 4 576 5 630 6 672 7 720 8 792 9 840 10 960 11 1320 12 1350 13 1440 14 1512 15 1530 16 1680 17 1950 18 2450 19 2520 20 4290