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 A079274 #3 Mar 31 2012 20:51:42 %S A079274 1,0,3,4,14,18,65,82,253,378,953,1460,3667,5480,12917,20582,45130, %T A079274 71970,156510,248020,524446,846962,1733252,2806484,5702101,9186010, %U A079274 18375867,29872508,58760991,95500008,186871472,302966474,587603027,956192230 %N A079274 Number of divisors associated with the cyclic cases within the n-th group of least prime signatures. %F A079274 a(n) = A074141(n) - 2* A074141(n-1) for n > 0 and a(0) = 1 %e A079274 The number of divisors doubles each time we create a new "matching" partition by appending "1" to a given partition. Therefore we may write %e A079274 ..1..0..3..4..14..18..65..82..253..378..953... %e A079274 + ...2..4.14..36.100.236.602.1368.3242.7240... %e A079274 = 1..2..7.18..50.118.301.684.1621.3620.8193... %Y A079274 Cf. A074141. %K A079274 easy,nonn %O A079274 0,3 %A A079274 _Alford Arnold_, Feb 06 2003 %E A079274 More terms from Pab Ter (pabrlos(AT)yahoo.com), May 27 2004