This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A033778 Product t2(q^d); d | 19, where t2 = theta2(q)/(2*q^(1/4)). 1
 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,56 COMMENTS Also the number of positive odd solutions to equation x^2 + 19*y^2 = 8*n + 20. - Seiichi Manyama, May 29 2017 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..10000 CROSSREFS Sequence in context: A025427 A245963 A291375 * A091586 A116377 A131964 Adjacent sequences:  A033775 A033776 A033777 * A033779 A033780 A033781 KEYWORD nonn AUTHOR EXTENSIONS More terms from Seiichi Manyama, May 23 2017 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 24 13:17 EDT 2019. Contains 324325 sequences. (Running on oeis4.)