OFFSET
1,1
COMMENTS
All terms == 0 mod 8. Is this the same as A073412? - Zak Seidov, Jan 26 2013
This sequence is distinct from A073412 since it does not allow numbers equal to twice a square, like 72, 1152, 2592, 3528, etc. - Giovanni Resta, Jan 29 2013
REFERENCES
David Wells, The Penguin Dictionary of Curious and Interesting Numbers, Revised Edition, Penguin Books Ltd., Middlesex, England, 1997, page 133. - "It is not possible to have 4 such consecutive numbers."
LINKS
Zak Seidov, Table of n, a(n) for n = 1..1200
EXAMPLE
232 = 6^2 + 14^2, 233 = 8^2 + 13^2, and 234 = 3^2 + 15^2.
MATHEMATICA
a = Table[n^2, {n, 1, 100} ]; c = {}; Do[ c = Append[c, a[[i]] + a[[j]]], {i, 1, 100}, {j, 1, i - 1} ]; c = Union[c]; c[[ Select[ Range[ Length[c] - 2], c[[ # ]] + 2 == c[[ # + 2 ]] & ]]]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Oct 13 2001
STATUS
approved