A079396 Ramanujan's tau function squared applied to primes.

576, 63504, 23328900, 280361536, 285809990544, 333781196644, 47691924412356, 113665876416400, 347571590865984, 16488262627956900, 2792400404276224, 33201691798862596, 94938206778275364, 293289874501264, 7221841938953462016, 2547393791118267204, 26927835455229987600

Offset: 1

Author

Jon Perry, Jan 06 2003

Keywords

• nonn

Examples

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

Crossrefs

Cf. A000040, A000594, A076847, A249688.

Programs

Mathematica

RamanujanTau[Prime[Range[20]]]^2 (* Georg Fischer, Sep 28 2024 *)

PARI

a(n) = ramanujantau(prime(n))^2 /* Georg Fischer, Sep 28 2024 */

Formula

a(n) = A076847(n)^2.

a(n) = A000594(A000040(n))^2.

a(n) = A249688(A000040(n)).