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A079392 Numbers n such that A000594(n) > 0 (Ramanujan's tau function is positive). 2
1, 3, 5, 8, 11, 14, 15, 16, 18, 19, 23, 24, 26, 28, 29, 33, 34, 36, 40, 41, 42, 47, 48, 50, 52, 54, 55, 57, 61, 62, 63, 64, 68, 69, 70, 71, 73, 74, 78, 79, 80, 81, 84, 86, 87, 88, 90, 91, 95, 97, 98, 100, 101, 102, 106, 107, 108, 109, 115, 117, 118, 119, 120, 121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Tau Function

EXAMPLE

A000594(1)=1, therefore a(1)=1.

PROG

(PARI) T(n)=n*(n+1)/2 rtau3(n)=local(y, j); y=0; j=1; while (T(j-1)<n, j++); j--; for (i=1, j, y=y-(-1)^i*(2*i-1)*x^(T(i-1))); y=y^8; polcoeff(y, n-1) for (n=1, 100, if (rtau3(n)>0, print1(n", ")))

CROSSREFS

Cf. A079393, A000594.

Sequence in context: A008576 A047622 A240603 * A185723 A022852 A180124

Adjacent sequences:  A079389 A079390 A079391 * A079393 A079394 A079395

KEYWORD

nonn

AUTHOR

Jon Perry, Jan 06 2003

EXTENSIONS

More terms from Seiichi Manyama, Sep 10 2017

STATUS

approved

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Last modified January 15 18:14 EST 2019. Contains 319153 sequences. (Running on oeis4.)