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A159190 Main diagonal of array mentioned in A113941. 1
6, 9, 1247, 1891, 29539 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Main diagonal of array of k-gonal numbers which are also brilliant numbers.
LINKS
FORMULA
A(k,n) = n-th brilliant number A078972 among (n+2)-gonal numbers.
EXAMPLE
The array begins:
=============================================
....|.n=1.|.n=2.|.n=3.|..n=4.|..n=5.|in OEIS.|
=============================================
k=3.|...6.|..10.|...15.|...21.|....253.|A113940
k=4.|...4.|...9.|...25.|...49.|....121.|A001248
k=5.|..35.|.247.|.1247.|..2501.|..4187.|A113941
k=6.|...6.|..15.|..703.|..1891.|..2701.|new
k=7.|.403.|.697.|.2059.|.25351.|.29539.|new
=============================================
CROSSREFS
Sequence in context: A264375 A061110 A110460 * A236766 A004075 A202951
KEYWORD
base,easy,nonn
AUTHOR
Jonathan Vos Post, Apr 05 2009
STATUS
approved

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Last modified March 1 18:30 EST 2024. Contains 370443 sequences. (Running on oeis4.)