The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A213408 Sequence A002654 with the zero terms omitted. (Formerly N0026) 1
 1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 3, 2, 2, 1, 2, 1, 2, 2, 2, 2, 1, 3, 2, 2, 2, 2, 1, 4, 2, 1, 2, 2, 2, 1, 2, 4, 2, 2, 2, 1, 3, 2, 2, 2, 2, 2, 2, 2, 1, 2, 4, 1, 4, 2, 2, 1, 4, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 2, 2, 2, 2, 4, 2, 2, 1, 2, 3, 2, 4, 2, 2, 2, 4, 3, 2, 2, 2, 2, 2, 2, 1, 2, 2, 4, 1, 2, 4, 2, 4, 2, 2, 2, 2, 2, 1, 3, 4, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 REFERENCES J. W. L. Glaisher, On the function which denotes the difference between the number of (4m+1)-divisors and the number of (4m+3)-divisors of a number, Proc. London Math. Soc., 15 (1884), 104-122. See Table on page 106. N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). LINKS CROSSREFS Cf. A002654. Sequence in context: A214973 A091954 A325167 * A183953 A080236 A221646 Adjacent sequences:  A213405 A213406 A213407 * A213409 A213410 A213411 KEYWORD nonn AUTHOR N. J. A. Sloane, Jun 10 2012 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 January 19 09:35 EST 2020. Contains 331048 sequences. (Running on oeis4.)