

A160940


Row sums of triangle defined in A083809.


1



2, 10, 95, 86, 2063, 26338, 1796701, 37907460, 1121781743, 624173160, 301508365839, 448445587666, 90026771795043, 1998858898554, 406702125332939256247, 78594656763841284, 186966120412500951787
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OFFSET

1,1


LINKS



EXAMPLE

Fourth row is 5, 11, 23, 47, so a(4) = 86.


PROG

(Magma) f:=function(n) m:=1; while not IsPrime(m*n+1) do m+:=1; end while; return m*n+1; end function; [ &+[ k eq 1 select f(j) else f(Self(k1)): k in [1..j] ]: j in [1..17] ];


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



