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.

A276616 Square array A(n,k) = A276953(n,k)/n!, read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.

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%I A276616 #10 Sep 24 2016 10:47:12
%S A276616 1,3,1,4,4,1,5,6,5,1,7,7,8,6,1,9,13,9,10,7,1,10,16,21,11,12,8,1,11,18,
%T A276616 25,31,13,14,9,1,13,19,28,36,43,15,16,10,1,15,25,29,40,49,57,17,18,11,
%U A276616 1,16,28,41,41,54,64,73,19,20,12,1,17,30,45,61,55,70,81,91,21,22,13,1,18,31,48,66,85,71,88,100,111,23,24,14,1
%N A276616 Square array A(n,k) = A276953(n,k)/n!, read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.
%H A276616 Antti Karttunen, <a href="/A276616/b276616.txt">Table of n, a(n) for n = 1..10440; the first 144 antidiagonals of array</a>
%H A276616 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a>
%F A276616 A(n,k) = A276953(n,k)/n!
%e A276616 The top left corner of the array:
%e A276616   1, 3,  4,  5,  7,  9, 10, 11,  13,  15,  16,  17,  18,  19,  20,  21,  22
%e A276616   1, 4,  6,  7, 13, 16, 18, 19,  25,  28,  30,  31,  36,  37,  39,  40,  42
%e A276616   1, 5,  8,  9, 21, 25, 28, 29,  41,  45,  48,  49,  60,  61,  64,  65,  68
%e A276616   1, 6, 10, 11, 31, 36, 40, 41,  61,  66,  70,  71,  90,  91,  95,  96, 100
%e A276616   1, 7, 12, 13, 43, 49, 54, 55,  85,  91,  96,  97, 126, 127, 132, 133, 138
%e A276616   1, 8, 14, 15, 57, 64, 70, 71, 113, 120, 126, 127, 168, 169, 175, 176, 182
%o A276616 (Scheme)
%o A276616 (define (A276616 n) (A276616bi (A002260 n) (A004736 n)))
%o A276616 (define (A276616bi row col) (/ (A276953bi row col) (A000142 row)))
%Y A276616 Transpose: A276617.
%Y A276616 Cf. A000142, A276953.
%Y A276616 Row 1: A273670, row 2: A276931, row 3: A276934.
%Y A276616 For columns, see the rows of transpose A276617.
%K A276616 nonn,base,tabl
%O A276616 1,2
%A A276616 _Antti Karttunen_, Sep 22 2016