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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A004196 The numbers not expressible as the sum of 4 distinct nonzero squares can be written D*4^n union E. This is E. 2
21, 29, 35, 41, 45, 49, 53, 59, 61, 69, 77, 83, 89, 101, 115, 157 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

Index entries for sequences related to sums of squares

CROSSREFS

Cf. A004195, A004441.

Sequence in context: A212192 A166647 A119107 * A211253 A209975 A077787

Adjacent sequences:  A004193 A004194 A004195 * A004197 A004198 A004199

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Dan Hoey

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 11 02:42 EDT 2020. Contains 336418 sequences. (Running on oeis4.)