A002286 - OEIS

A002286

Bisection of A002470.
(Formerly M4479 N1896)

1, -8, 10, 80, -231, -248, 1466, -80, -4766, 1944, 9600, -2704, -15525, -3984, 25498, 10816, -29760, 800, 1994, -11728, 29362, -5560, -2310, -1952, 21649, 38128, -192854, -2480, 233280, -20248, -10918, -18480, 14660, -101768, -324480, 137424

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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. 190).

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-1). - Wesley Ivan Hurt, Dec 26 2023

CROSSREFS

Cf. A002470, A002287.

Sequence in context: A321881 A204324 A070276 * A256877 A222299 A070478

Adjacent sequences: A002283 A002284 A002285 * A002287 A002288 A002289

KEYWORD

sign

AUTHOR

N. J. A. Sloane

EXTENSIONS

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

STATUS

approved