# A024760 (b-file synthesized from sequence entry) 1 12870 2 24310 3 43758 4 48620 5 75582 6 92378 7 125970 8 167960 9 184756 10 203490 11 293930 12 319770 13 352716 14 490314 15 497420 16 646646 17 705432 18 735471 19 817190 20 1081575 21 1144066 22 1307504 23 1352078 24 1562275 25 1961256 26 2042975 27 2220075 28 2496144 29 2704156 30 3108105