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A138029 Main diagonal of A138028; the most significant digit of n^n. 1
1, 2, 9, 6, 6, 7, 1, 2, 4, 1, 2, 7, 2, 7, 2, 1, 4, 2, 1, 5, 2, 1, 9, 5, 3, 2, 1, 1, 8, 6, 5, 4, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 6, 8, 1, 1, 1, 2, 3, 4, 6, 9, 1, 2, 3, 5, 8, 1, 2, 3, 6, 1, 1, 3, 5, 1, 2, 3, 7, 1, 2, 5, 1, 2, 4, 1, 2, 4, 1, 2, 5, 1, 2, 6, 1, 3, 8, 2, 5, 1, 3, 8, 2, 5, 1, 3, 1, 2, 7, 2, 5, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..105.

MATHEMATICA

f[n_, k_] := Quotient[n^k, 10^Floor[k*Log[10, n]]]; Table[ f[ n, n - 1], {n, 105}]

CROSSREFS

Cf. A061505, A138028.

Sequence in context: A011069 A010598 A152564 * A146481 A233766 A021341

Adjacent sequences:  A138026 A138027 A138028 * A138030 A138031 A138032

KEYWORD

base,nonn

AUTHOR

Robert G. Wilson v, Feb 10 2008

STATUS

approved

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Last modified July 23 09:03 EDT 2017. Contains 289686 sequences.