# A016829 (b-file synthesized from sequence entry) 0 32 1 7776 2 100000 3 537824 4 1889568 5 5153632 6 11881376 7 24300000 8 45435424 9 79235168 10 130691232 11 205962976 12 312500000 13 459165024 14 656356768 15 916132832 16 1252332576 17 1680700000 18 2219006624 19 2887174368 20 3707398432 21 4704270176 22 5904900000 23 7339040224 24 9039207968 25 11040808032