A167369 sigma(n!,n!).

1, 5, 47450, 1333735856351858432985890996140258

Offset

1,2

Links

Table of n, a(n) for n=1..4.

Mathematica

Array[DivisorSigma[ #!, #! ]&, 5, 1]

Crossrefs

Cf. A062569, A167367, A167368

Sequence in context: A307492 A355959 A165711 * A259161 A356762 A242833

Adjacent sequences: A167366 A167367 A167368 * A167370 A167371 A167372

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Nov 01 2009

Status

approved