A078196 The n-th digit from the left (most significant digit) of n^n.

6, 9, 0, 1, 5, 2, 8, 9, 5, 6, 5, 9, 0, 8, 6, 5, 8, 3, 2, 0, 5, 7, 0, 5, 2, 4, 5, 3, 3, 4, 1, 0, 0, 8, 7, 6, 8, 1, 4, 3, 7, 7, 0, 7, 9, 0, 7, 0, 3, 9, 6, 3, 0, 9, 5, 3, 0, 7, 6, 8, 1, 3, 0, 0, 8, 8, 2, 2, 0, 0, 3, 3, 0, 4, 4, 3, 7, 8, 1, 6, 6, 7, 0, 8, 4, 4, 1, 1, 5, 3, 6, 2, 0, 8, 4, 5, 0, 5, 0, 7, 9, 9, 4, 3, 2

Offset

8,1

Links

Robert Israel, Table of n, a(n) for n = 8..10000

Example

a(15) = 9, 15^15 = 437893890380859375 and starting from 4 (the MSD) 9 is the 15th digit.

Maple

f:= n -> convert(n^n, base, 10)[-n]:
map(f, [$8..200]); # Robert Israel, Feb 11 2017

Mathematica

Flatten[Table[Take[IntegerDigits[n^n], {n}], {n, 8, 150}]] (* Harvey P. Dale, May 01 2011 *)

Crossrefs

Cf. A023957.

Sequence in context: A226472 A331480 A196762 * A198118 A195102 A020792

Adjacent sequences: A078193 A078194 A078195 * A078197 A078198 A078199

Keyword

base,nonn

Author

Amarnath Murthy, Nov 21 2002

Extensions

More terms from Sascha Kurz, Jan 07 2003

Status

approved