A138611 6^n mod 4^n.

0, 2, 4, 24, 16, 608, 1600, 1408, 41216, 116224, 697344, 2086912, 12521472, 41574400, 249446400, 959807488, 3611361280, 4488298496, 61289529344, 230298222592, 282277707776, 3892689502208, 14560043991040, 52175891857408, 31580374433792, 189482246602752

Offset

0,2

Links

Table of n, a(n) for n=0..25.

Mathematica

a[n_]=PowerMod[6, n, 4^n]; Array[a, 26, 0] (* James C. McMahon, Jun 07 2025 *)

Crossrefs

Sequence in context: A214299 A090591 A098656 * A390943 A171459 A240558

Adjacent sequences: A138608 A138609 A138610 * A138612 A138613 A138614

Keyword

nonn

Author

N. J. A. Sloane, May 20 2008

Status

approved