# A024761 (b-file synthesized from sequence entry) 1 48620 2 92378 3 167960 4 184756 5 293930 6 352716 7 497420 8 646646 9 705432 10 817190 11 1144066 12 1307504 13 1352078 14 1961256 15 2042975 16 2496144 17 2704156 18 3124550 19 3268760 20 4457400 21 4686825 22 5200300 23 5311735 24 6906900 25 7726160 26 8436285 27 9657700