id:A088152 - OEIS Search Results

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Value of n-th digit in octal representation of n^n.

+0
8

1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 1, 1, 1, 6, 6, 5, 0, 0, 4, 4, 6, 1, 3, 3, 1, 4, 5, 4, 0, 5, 0, 3, 0, 3, 4, 1, 3, 5, 6, 2, 1, 6, 6, 5, 5, 0, 1, 0, 0, 5, 6, 3, 7, 6, 4, 1, 1, 3, 3, 6, 4, 3, 1, 0, 0, 0, 4, 4, 0, 3, 6, 1, 1, 2, 5, 0, 0, 5, 2, 6, 0, 2, 4, 7, 5, 6, 4, 2, 1, 6, 4, 3, 6, 7, 4, 6, 0, 5, 7, 5, 3, 6 (list; graph; listen)

	OFFSET	`0,10`
	COMMENT	`a(n)=d(n) with n^n = Sum(d(k)*8^k: 0<=d(k)<8, k>=0).`
	LINKS	`Eric Weisstein's World of Mathematics, octal`
	FORMULA	`a(n) = floor(n^n / 8^n) mod 8.`
	EXAMPLE	`n=9, 9^9=387420489 -> '2705710511', '2---------': a(9)=2;` `a(0)=1, a(k)=0 for 0<k<8 and a(8)=1.`
	CROSSREFS	`Cf. A007094, A000312, A088150, A088151, A088153, A088154, A088155, A088156, A088157.` `Sequence in context: A069777 A064992 A089759 this_sequence A049270 A025269 A137296` `Adjacent sequences: A088149 A088150 A088151 this_sequence A088153 A088154 A088155`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 20 2003`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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