# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a002610 Showing 1-1 of 1 %I A002610 M4051 N1681 #30 Mar 04 2019 06:07:39 %S A002610 0,1,-6,-3,82,-84,-444,769,1110,-2643,-860,2901,-1176,6277,1170, %T A002610 -21315,-2308,14244,29442,15540,-58194,-13338,-31886,4080,176682, %U A002610 -70715,-51240,81489,-135728,13137,-205350,58826,355974,16380,530932,-457944,-938748,140329,99462,317157 %N A002610 Glaisher's function H'(4n+1) (18 squares version). %C A002610 It would be nice to have a q-series that generates this sequence. Glaisher gives many formulas but they are difficult to follow. %D A002610 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] %D A002610 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002610 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002610 Sean A. Irvine, Java program (github) %H A002610 Index entries for sequences mentioned by Glaisher %F A002610 See eqn. top of page 312 in Glaisher, where Theta(n) is A002288(n). - _Sean A. Irvine_, Mar 03 2019 %Y A002610 Cf. A002288. %K A002610 sign %O A002610 0,3 %A A002610 _N. J. A. Sloane_ %E A002610 Edited and signs added by _N. J. A. Sloane_, Nov 26 2018 %E A002610 More terms from _Sean A. Irvine_, Mar 03 2019 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE