login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A330031 Sums of two nonzero tetrahedral numbers (A000292). 1

%I #22 Mar 09 2020 22:10:49

%S 2,5,8,11,14,20,21,24,30,36,39,40,45,55,57,60,66,70,76,85,88,91,94,

%T 104,112,119,121,124,130,140,155,166,168,169,175,176,185,200,204,221,

%U 224,230,240,249,255,276,285,287,290,296,304,306,321,330,340,342,365

%N Sums of two nonzero tetrahedral numbers (A000292).

%H Peter Kagey, <a href="/A330031/b330031.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A000292, A102798, A104246.

%Y Analogs for other figurate numbers are A000404 (squares), A003325 (cubes), A051533 (triangular numbers), A286636 (centered square numbers), A287960 (centered triangular numbers), A288631 (square pyramidal numbers), A332987 (pentagonal numbers).

%K nonn

%O 1,1

%A _Peter Kagey_, Mar 07 2020

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 09:28 EDT 2024. Contains 371967 sequences. (Running on oeis4.)