# A078838 (b-file synthesized from sequence entry) 1 0 2 2 3 30 4 120 5 630 6 1122 7 2760 8 3978 9 7392 10 15498 11 19140 12 33390 13 46020 14 53382 15 70380 16 102102 17 142158 18 157530 19 210210 20 251160 21 273492 22 348348 23 405162 24 501468 25 652080 26 737550 27 782952 28 879270 29 930258 30 1038072 31 1480500 32 1626690 33 1863540