A002286 Bisection of A002470.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• sign

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

• Index entries for sequences mentioned by Glaisher

Crossrefs

Cf. A002470, A002287.

Formula

a(n) = A002470(2n-1). - Wesley Ivan Hurt, Dec 26 2023

Extensions

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