



1, 23, 229, 1243, 3587, 2461, 19205, 65275, 48368, 164288, 370324, 620, 578358, 176502, 1040658, 2027794, 4878140, 2150708, 8510712, 1400952, 2818536, 15649224, 2994048, 24283008, 1216217, 12649495, 60629585
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

The subsequence of primes in the partial sum begins: a(2) = 23, a(3) = 229, no more through a(27).  Jonathan Vos Post, Feb 12 2010


LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000


MATHEMATICA

lst={}; s1=0; Do[s1=s1+RamanujanTau[n]; AppendTo[lst, s1], {n, 5!}]; lst


PROG

(PARI) a(n)=my(x='x, v=Vec( x * eta(x + x * O(x^(n1)))^24)); sum(i=1, n, v[i]) \\ Charles R Greathouse IV, Jun 28 2014


CROSSREFS

Sequence in context: A142490 A051819 A179631 * A124336 A010829 A022715
Adjacent sequences: A144245 A144246 A144247 * A144249 A144250 A144251


KEYWORD

sign


AUTHOR

Vladimir Joseph Stephan Orlovsky, Sep 16 2008


STATUS

approved



