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 A088676 #9 May 12 2025 23:31:51 %S A088676 1,2,2,2,3,3,3,3,4,4,5,5,5,5,6,6,6,6,6,6,7,7,8,9,9,9,9,9,9,9,10,11,12, %T A088676 12,14,15,16,17,17,17,18,20,20,20,20,22,22,23,24,25,25,26,27,28,30,31, %U A088676 33,34,36,36,38,41,44,49,53,55,56,59,61,62,63,65,69,69,78,85,87,99 %N A088676 Values of "i" in A087732 and the index of the prime in A087731. %e A088676 17 = 3*P(2)#-1 and 19 = 3*P(2)#+1 are twin primes, so 2 is in the sequence (the 4th term). %Y A088676 Cf. A002110, A087732. %K A088676 nonn %O A088676 1,2 %A A088676 _Jud McCranie_, Oct 04 2003 %E A088676 More terms from _Ray Chandler_, Oct 05 2003