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.
%I A276619 #8 Sep 15 2016 12:23:18 %S A276619 4,8,4,10,10,4,20,12,8,4,16,20,12,10,4,24,12,22,12,8,4,38,26,16,24,10, %T A276619 10,4,20,40,30,14,24,10,8,4,34,18,38,20,14,22,14,10,4,40,22,14,34,32, %U A276619 12,16,10,8,4,36,68,34,22,38,26,20,22,10,10,4,22,36,46,26,14,40,18,14,28,12,8,4,34,14,28,74,30,12,48,30,8,20,12,10,4 %N A276619 Transpose of square array A276620. %C A276619 See A276620. %C A276619 The first negative term occurs as a(472) = A(7,25) = A276609(8,25) - A276609(7,25) = 248 - 258 = -10. %H A276619 Antti Karttunen, <a href="/A276619/b276619.txt">Table of n, a(n) for n = 1..5050; the first 100 antidiagonals of array</a> %H A276619 <a href="/index/Si#sieve">Index entries for sequences generated by sieves</a> %e A276619 The top left 18 x 18 corner of the array: %e A276619 4, 8, 10, 20, 16, 24, 38, 20, 34, 40, 36, 22, 34, 52, 52, 42, 44, 48 %e A276619 4, 10, 12, 20, 12, 26, 40, 18, 22, 68, 36, 14, 32, 44, 74, 46, 38, 54 %e A276619 4, 8, 12, 22, 16, 30, 38, 14, 34, 46, 28, 14, 46, 40, 70, 58, 16, 54 %e A276619 4, 10, 12, 24, 14, 20, 34, 22, 26, 74, 32, 10, 32, 52, 52, 64, 30, 62 %e A276619 4, 8, 10, 24, 14, 32, 38, 14, 30, 52, 30, 46, 16, 40, 66, 38, 64, 24 %e A276619 4, 10, 10, 22, 12, 26, 40, 12, 40, 48, 28, 16, 46, 56, 68, 38, 22, 62 %e A276619 4, 8, 14, 16, 20, 18, 48, 20, 20, 70, 18, 24, 30, 58, 56, 62, 28, 66 %e A276619 4, 10, 10, 22, 14, 30, 34, 22, 30, 40, 58, 2, 30, 60, 52, 52, 48, 46 %e A276619 4, 8, 10, 28, 8, 28, 32, 20, 30, 64, 28, 32, 30, 28, 80, 44, 34, 48 %e A276619 4, 10, 12, 20, 22, 22, 40, 16, 32, 66, 20, 16, 54, 24, 64, 62, 32, 52 %e A276619 4, 8, 12, 22, 12, 28, 40, 18, 28, 46, 38, 24, 34, 64, 42, 52, 46, 54 %e A276619 4, 10, 12, 20, 12, 30, 36, 12, 34, 58, 26, 20, 26, 52, 90, 28, 26, 62 %e A276619 4, 8, 10, 20, 18, 28, 40, 20, 26, 58, 30, 18, 34, 54, 54, 62, 38, 52 %e A276619 4, 10, 10, 26, 12, 20, 44, 10, 40, 48, 50, 12, 26, 66, 42, 52, 36, 42 %e A276619 4, 8, 14, 20, 12, 30, 36, 24, 26, 58, 30, 28, 30, 30, 78, 50, 48, 30 %e A276619 4, 10, 10, 22, 18, 24, 40, 18, 26, 62, 28, 12, 38, 54, 58, 50, 44, 48 %e A276619 4, 8, 10, 24, 14, 28, 36, 18, 30, 58, 22, 30, 40, 30, 72, 42, 26, 76 %e A276619 4, 10, 12, 22, 14, 26, 32, 18, 32, 52, 44, 20, 18, 66, 68, 52, 34, 40 %o A276619 (Scheme) (define (A276619 n) (A276620bi (A004736 n) (A002260 n))) ;; Code for A276620bi given in A276620. %Y A276619 Transpose: A276620. %Y A276619 Cf. A276609, A276610. %K A276619 sign,tabl %O A276619 1,1 %A A276619 _Antti Karttunen_, Sep 13 2016