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 A179482 #12 Jul 22 2025 08:18:00 %S A179482 126,153,688,1395,33579,37668,187029,223524,267034,1008126,1480368, %T A179482 1514955,1574253,1766196,1791495,1831086,1945944,2784384,10013323, %U A179482 10353244,18937617,19437888,23486976,36528975,38477586,45334998,48471696,109019911,116257833 %N A179482 A subset of vampire numbers: n has a nontrivial factorization using n's digits in reverse order. %C A179482 A subset of A020342. %C A179482 Easy to prove that no vampire number has a factorization with n's digits in "normal" (left-to-right) order, so it was natural to search if any of the reverse order works. %C A179482 A superset of A009944,permitting two or more(!) factors. [_Adam Kertesz_, Aug 07 2010] %C A179482 Sequence is infinite, since it is a superset of A009944 which is infinite (see Comments at A009944). - _Giovanni Resta_, Mar 17 2013 %H A179482 Giovanni Resta, <a href="/A179482/b179482.txt">Table of n, a(n) for n = 1..155</a> %H A179482 Giovanni Resta, <a href="/A179482/a179482.txt">Decompositions of the first 155 terms</a> %e A179482 E.g. 126=6*21, 1395=5*9*31, 267034=4307*62. %Y A179482 Cf. A020342, A009944. %K A179482 nonn,base %O A179482 1,1 %A A179482 _Adam Kertesz_, Jul 16 2010 %E A179482 a(10)-a(29) from _Giovanni Resta_, Mar 17 2013