# Table of n, a(n) for n = 1..50 # a(49)=1774126607984660 was wrong # Generated by Georg Fischer with jOEIS, Mar 13 2020 1 1 2 2 3 7 4 15 5 45 6 86 7 239 8 433 9 1157 10 2034 11 5307 12 9151 13 23497 14 39974 15 101467 16 170913 17 430089 18 718946 19 1796975 20 2985775 21 7422437 22 12272502 23 30373191 24 50016721 25 123327373 26 202395986 27 497484067 28 814061151 29 1995542913 30 3257222726 31 7965875891 32 12973832257 33 31663779857 34 51470742210 35 125391332055 36 203480677711 37 494914083229 38 801905497238 39 1947613051807 40 3151383884529 41 7643917792917 42 12353146805426 43 29928228744587 44 48312027822079 45 116921300015417 46 188548745657958 47 455866012012299 48 734447255025121 49 1774126607984665 50 2855843694128930