# A135864 (b-file synthesized from sequence entry) 0 1 1 9 2 27 3 0 4 -81 5 243 6 0 7 -2916 8 10935 9 0 10 -168399 11 682344 12 0 13 -11711385 14 49364964 15 0 16 -900438201 17 3887490915 18 0 19 -73729998576 20 323480165085 21 0 22 -6303914878248 23 27978933759300 24 0 25 -556251967191492 26 2490404893915293 27 0 28 -50276620111538700 29 226626845346291663 30 0