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 A075831 #10 Mar 10 2025 21:29:57 %S A075831 35100,1050,6900,72000,34020,5940,4104,146300,50400,8820,1400,462000, %T A075831 3036000,181440000,238140000,2268000,28728000,1024100000,17640000, %U A075831 61740000,16100000,16905000000,111090000000,1159200000000,547722000000 %N A075831 Like A073327, but multiply the numerical values of the letters instead of adding them. %e A075831 Here a=1, b=2, c=3, d=4, etc., a(17) = s*e*v*e*n*t*e*e*n = 19*5*22*5*14*20*5*5*14 = 1024100000. %e A075831 "One" -> 15*14*5 = 1050. %K A075831 nonn,word %O A075831 0,1 %A A075831 Derek McHugh (derek.mchugh(AT)transwareplc.com), Oct 14 2002 %E A075831 More terms from _Matthew Goers_, Oct 26 2009, Nov 03 2009 %E A075831 Edited by _N. J. A. Sloane_, Nov 12 2009 %E A075831 Offset corrected by _Sean A. Irvine_, Mar 10 2025