0,2

a(n) = (n^4-n^3+n^2-n+1)*(n^4+n^3+n^2+n+1) = A060884(n)*A053699(n). a(n) = (n^10-1)/(n^2-1), n>1. - Alexander Adamchuk (alex(AT)kolmogorov.com), Apr 13 2006

Cf. A059830.

Cf. A060884, A053699.

Sequence in context: A029495 A086900 A124477 this_sequence A006108 A061456 A006430

Adjacent sequences: A059836 A059837 A059838 this_sequence A059840 A059841 A059842

nonn

njas, Feb 25 2001