A079396 Ramanujan's tau function squared.

576, 63504, 23328900, 280361536, 285809990544, 333781196644, 47691924412356, 113665876416400, 347571590865984, 16488262627956900, 2792400404276224, 33201691798862596, 94938206778275364, 293289874501264

Offset

1,1

Links

Table of n, a(n) for n=1..14.

Example

tau(2)=-24, therefore a(1)=24^2=576.

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) forprime (p=2, 50, print1(rtau3(p)^2", "))

Crossrefs

A000594(p)^2.

Sequence in context: A168660 A268903 A249688 * A299414 A300054 A013775

Adjacent sequences: A079393 A079394 A079395 * A079397 A079398 A079399

Keyword

nonn

Author

Jon Perry, Jan 06 2003

Status

approved