A002287 Bisection of A002470. (Formerly M3685 N1504)

0, 4, -48, 224, -448, 40, 1408, -2240, 1280, -924, -480, 6944, -8704, 5864, -14080, 2240, 33792, -19064, 11088, -54432, -4480, 38400, 43648, 75712, -124928, -62100, -70368, 111552, 87040, 101992, 14080, -302848, 53248, -119040, 228768, -22400

Offset

1,2

References

J. W. L. Glaisher, On the representation of a number as a sum of 14 and 16 squares, Quart. J. Math. 38 (1907), 178-236 (see p. 191).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..36.

Index entries for sequences mentioned by Glaisher

Formula

a(n) = A002470(2n-2). - Wesley Ivan Hurt, Dec 26 2023

Crossrefs

Cf. A002470, A002286.

Sequence in context: A275033 A192418 A162673 * A273335 A275138 A273767

Adjacent sequences: A002284 A002285 A002286 * A002288 A002289 A002290

Keyword

sign,more

Author

N. J. A. Sloane

Extensions

Entry revised by N. J. A. Sloane, Nov 26 2018

Status

approved