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 A276606 #7 Sep 15 2016 12:22:46 %S A276606 5,10,12,24,18,28,44,22,38,48,40,24,38,58,60,48,48,54,54,60,26,70,84, %T A276606 66,44,24,70,50,102,64,74,60,100,48,44,18,126,150,34,96,26,58,74,30, %U A276606 60,66,96,96,120,58,60,146,70,66,164,30,64,60,132,50,40,168,78,62,100,108,104,42,58,98,40,50,100,198,44,88,60,138,60 %N A276606 First differences of postludic numbers: a(n) = A254100(1+n) - A254100(n). %H A276606 Antti Karttunen, <a href="/A276606/b276606.txt">Table of n, a(n) for n = 1..10000</a> %H A276606 <a href="/index/Si#sieve">Index entries for sequences generated by sieves</a> %F A276606 a(n) = A254100(1+n) - A254100(n). %F A276606 a(n) = A260723(1+n) + A276607(n). %o A276606 (Scheme) (define (A276606 n) (- (A254100 (+ 1 n)) (A254100 n))) %Y A276606 Column 2 of A276610. %Y A276606 Cf. also A260723, A276607. %K A276606 nonn %O A276606 1,1 %A A276606 _Antti Karttunen_, Sep 13 2016