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 A002610 Glaisher's function H'(4n+1) (18 squares version). (Formerly M4051 N1681) 1
 0, 1, -6, -3, 82, -84, -444, 769, 1110, -2643, -860, 2901, -1176, 6277, 1170, -21315, -2308, 14244, 29442, 15540, -58194, -13338, -31886, 4080, 176682, -70715, -51240, 81489, -135728, 13137, -205350, 58826, 355974, 16380, 530932, -457944, -938748, 140329, 99462, 317157 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS It would be nice to have a q-series that generates this sequence. Glaisher gives many formulas but they are difficult to follow. REFERENCES J. W. L. Glaisher, On the representation of a number as sum of 18 squares, Quart. J. Math. 38 (1907), 289-351 (see p. 312). [The whole 1907 volume of The Quarterly Journal of Pure and Applied Mathematics, volume 38, is freely available from Google Books] 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 Sean A. Irvine, Java program (github) FORMULA See eqn. top of page 312 in Glaisher, where Theta(n) is A002288(n). - Sean A. Irvine, Mar 03 2019 CROSSREFS Cf. A002288. Sequence in context: A054380 A324673 A324004 * A100979 A279107 A266661 Adjacent sequences:  A002607 A002608 A002609 * A002611 A002612 A002613 KEYWORD sign AUTHOR EXTENSIONS Edited and signs added by N. J. A. Sloane, Nov 26 2018 More terms from Sean A. Irvine, Mar 03 2019 STATUS approved

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Last modified October 19 03:34 EDT 2019. Contains 328211 sequences. (Running on oeis4.)