A169886 Fourth powers (n * n * n * n) in carryless arithmetic mod 10.

0, 1, 6, 1, 6, 5, 6, 1, 6, 1, 10000, 14641, 18426, 12481, 16666, 10005, 14646, 18421, 12486, 16661, 60000, 62481, 64646, 66661, 68426, 60005, 62486, 64641, 66666, 68421, 10000, 18421, 16666, 14641, 12486, 10005, 18426, 16661, 14646, 12481, 60000, 66661, 62486

Offset

0,3

Links

Seiichi Manyama, Table of n, a(n) for n = 0..9999

Index entries for sequences related to carryless arithmetic

Prog

(PARI) a(n) = fromdigits(Vec(Pol(digits(n))^4)%10); \\ Seiichi Manyama, Mar 09 2023

Crossrefs

Cf. A004520, A059729, A168294, A168541, A169884, A169885.

Sequence in context: A276515 A144544 A070514 * A292862 A070472 A320394

Adjacent sequences: A169883 A169884 A169885 * A169887 A169888 A169889

Keyword

nonn,base,look

Author

David Applegate, Marc LeBrun and N. J. A. Sloane, Jul 06 2010

Status

approved