cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A109393 Entries in 3-dimensional solid related to Prouhet-Tarry problem.

This page as a plain text file.
%I A109393 #8 Sep 08 2013 13:30:45
%S A109393 1,1,1,1,1,1,3,1,1,1,1,2,1,1,5,5,1,2,5,2,1,1,1,3,3,1,1,7,12,7,1,3,12,
%T A109393 12,3,3,7,3,1,1,1,4,6,4,1,1,9,22,22,9,1,4,22,36,22,4,6,22,22,6,4,9,4,
%U A109393 1,1,1,5,10,10,5,1,1,11,35,50,35,11,1,5,35,80,80,35,5,10,50,80,50
%N A109393 Entries in 3-dimensional solid related to Prouhet-Tarry problem.
%C A109393 Entries of slices [1,k] in A109672, read by rows.
%C A109393 Slice [n,0] gives A046816, slice [0,k] gives A109649, slice [n,n] gives A109673, slice [n,1] gives A109390.
%F A109393 Sum of terms in 2D slice [1, k] is 3^(1+k).
%e A109393 Slice [1,0]:
%e A109393 ... 1 ...
%e A109393 .. 1 1 ...
%e A109393 Slice [1,1]:
%e A109393 ... 1 1 ...
%e A109393 .. 1 3 1 ...
%e A109393 ... 1 1 ...
%e A109393 Slice [1,2]:
%e A109393 ... 1 2 1 ...
%e A109393 .. 1 5 5 1 ...
%e A109393 ... 2 5 2 ...
%e A109393 .... 1 1 ....
%e A109393 Slice [1,3]:
%e A109393 ... 1 3 3 1 ...
%e A109393 .. 1 7 12 7 1 ...
%e A109393 ... 3 12 12 3 ...
%e A109393 .... 3 7 3 ....
%e A109393 ..... 1 1 .....
%e A109393 Slice [1,4]:
%e A109393 ... 1 4 6 4 1 ...
%e A109393 .. 1 9 22 22 9 1 ...
%e A109393 ... 4 22 36 22 4 ...
%e A109393 .... 6 22 22 6 ....
%e A109393 ..... 4 9 4 .....
%e A109393 ...... 1 1 ......
%e A109393 Slice [1,5]:
%e A109393 ... 1 5 10 10 5 1 ...
%e A109393 .. 1 11 35 50 35 11 1 ...
%e A109393 ... 5 35 80 80 35 5 ...
%e A109393 .... 10 50 80 50 10 ....
%e A109393 ..... 10 35 35 10 .....
%e A109393 ...... 5 11 5 ......
%e A109393 ....... 1 1
%Y A109393 Cf. A109390.
%K A109393 nonn,tabf,easy
%O A109393 0,7
%A A109393 _Philippe Deléham_, Aug 26 2005