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!)
A320440 Row sums of A225043. 0

%I

%S 0,2,4,8,11,20,22,32,31,52,56,80,79,100,94,128,137,176,172,208,193,

%T 244,254,320,266,340,283,400,407,332,466,512,499,580,569,680,667,724,

%U 745,848,821,872,904,976,1021,1060,1082,1280,1093,1312,1330,1360,1379,1472,1479,1584,1543

%N Row sums of A225043.

%H Nathan M Epstein, <a href="https://gist.github.com/Aeium/d776d6a0dedca23f4cb281548645df30">Python program</a>

%F a(A000040(n)) = A072205(n) for n > 0.

%t a[n_]:=Sum[Mod[Binomial[n, k],n+1], {k,0, n}]; Array[a, 100, 0] (* _Stefano Spezia_, Jan 09 2019 *)

%o (PARI) a(n) = sum(k=0, n, binomial(n,k) % (n+1)); \\ _Michel Marcus_, Jan 09 2019

%Y Cf. A000040, A062173, A072205, A225043.

%K nonn

%O 0,2

%A _Nathan M Epstein_, Jan 09 2019

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 March 30 12:10 EDT 2020. Contains 333125 sequences. (Running on oeis4.)