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%I #2 Mar 30 2012 18:40:49
%S 6,9,1247,1891,29539
%N Main diagonal of array mentioned in A113941.
%C Main diagonal of array of k-gonal numbers which are also brilliant numbers.
%F A(k,n) = n-th brilliant number A078972 among (n+2)-gonal numbers.
%e The array begins:
%e =============================================
%e ....|.n=1.|.n=2.|.n=3.|..n=4.|..n=5.|in OEIS.|
%e =============================================
%e k=3.|...6.|..10.|...15.|...21.|....253.|A113940
%e k=4.|...4.|...9.|...25.|...49.|....121.|A001248
%e k=5.|..35.|.247.|.1247.|..2501.|..4187.|A113941
%e k=6.|...6.|..15.|..703.|..1891.|..2701.|new
%e k=7.|.403.|.697.|.2059.|.25351.|.29539.|new
%e =============================================
%Y Cf. A001248, A078972, A113940, A113941.
%K base,easy,nonn
%O 1,1
%A _Jonathan Vos Post_, Apr 05 2009
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