A002287 Bisection of A002470.

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

Author

N. J. A. Sloane

Keywords

• sign
• more

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

• Index entries for sequences mentioned by Glaisher

Crossrefs

Cf. A002470, A002286.

Formula

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

Extensions

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