A097414 Initial decimal digit of n^10.

1, 1, 5, 1, 9, 6, 2, 1, 3, 1, 2, 6, 1, 2, 5, 1, 2, 3, 6, 1, 1, 2, 4, 6, 9, 1, 2, 2, 4, 5, 8, 1, 1, 2, 2, 3, 4, 6, 8, 1, 1, 1, 2, 2, 3, 4, 5, 6, 7, 9, 1, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 6, 7, 8, 9, 1, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 1, 1, 1, 1

Offset

1,3

Links

Table of n, a(n) for n=1..103.

Eric Weisstein's World of Mathematics, Gelfand's Question

Example

1, 1024, 59049, 1048576, 9765625, 60466176, 282475249, 1073741824, 3486784401, 10000000000, ...

Mathematica

IntegerDigits[#][[1]]&/@(Range[120]^10) (* Harvey P. Dale, Jan 12 2024 *)

Crossrefs

Cf. A000027, A002993, A002994, A097408, A097409, A097410, A097411, A097412, A097413.

Sequence in context: A342634 A010482 A135856 * A154605 A114594 A021662

Adjacent sequences: A097411 A097412 A097413 * A097415 A097416 A097417

Keyword

nonn,base,easy

Author

Eric W. Weisstein, Aug 16 2004

Extensions

a(1) inserted by Pontus von Brömssen, Jul 02 2021

Status

approved