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 A091632 #8 Mar 17 2018 23:13:59 %S A091632 0,8,10,42,72,176,354,764,1516,3022,6066,12268,24570,49148,98246, %T A091632 196530,393158,786406,1572834,3145674,6291440,12582874,25165764, %U A091632 50331634,100663192,201326576,402653180,805306350,1610612690,3221225038 %N A091632 Excess of n + product of digits over next prime associated with A091628. %C A091632 Sequence arising in _Farideh Firoozbakht_'s solution to Prime Puzzle 251 - 23 is the only pointer prime (A089823) not containing the digit "1". %C A091632 The monotonically increasing value of successive excess (and product of digits (A091629)) strongly suggests that in successive n the digit 1 must be present. %H A091632 Carlos Rivera's Prime Puzzles and Problems Connection, <a href="http://www.primepuzzles.net/puzzles/puzz_251.htm">Puzzle 251, Pointer primes</a> %F A091632 a(n) = A091630(n) - A091631(n). %e A091632 a(2) = 235 - 227 = 8. %Y A091632 Cf. A089823, A091628, A091629, A091630, A091631. %K A091632 base,easy,nonn %O A091632 1,2 %A A091632 _Enoch Haga_, Jan 24 2004 %E A091632 Edited and extended by _Ray Chandler_, Feb 07 2004