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A223729 Numbers appearing in a theorem on the representation of numbers as sums of five non-vanishing squares. 0

%I #13 Jan 30 2015 04:24:11

%S 1,2,4,5,7,10,13,28

%N Numbers appearing in a theorem on the representation of numbers as sums of five non-vanishing squares.

%C See A047701 for the positive numbers that are not the sum of five nonzero squares, which are precisely 1, 2, 3, 4 and 5 + a(n), n = 1,...,8. This appears as Theorem 2. in Grosswald's book on p. 73-4 with references to E. Dubouis (1911) and some others.

%D E. Dubouis, Solution of a problem of J. Tannery, L'Intermédiaire Math. 18 (1911) 55-56.

%D E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, NY, 1985, p. 73-74.

%Y Cf. A123120, A047701.

%K nonn,fini,full

%O 1,2

%A _Wolfdieter Lang_, Mar 27 2013

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Last modified March 29 10:59 EDT 2024. Contains 371277 sequences. (Running on oeis4.)