# A069476 (b-file synthesized from sequence entry) 0 1800 1 2520 2 3240 3 3960 4 4680 5 5400 6 6120 7 6840 8 7560 9 8280 10 9000 11 9720 12 10440 13 11160 14 11880 15 12600 16 13320 17 14040 18 14760 19 15480 20 16200 21 16920 22 17640 23 18360 24 19080 25 19800 26 20520 27 21240 28 21960 29 22680 30 23400 31 24120 32 24840 33 25560 34 26280 35 27000