id:A088156 - OEIS Search Results

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

+0
8

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 8, 4, 19, 4, 17, 3, 7, 6, 11, 5, 3, 6, 5, 13, 8, 15, 19, 4, 16, 2, 12, 5, 5, 9, 6, 5, 9, 17, 1, 14, 11, 10, 15, 15, 13, 2, 8, 9, 1, 18, 3, 15, 15, 17, 10, 1, 5, 0, 3, 16, 4, 17, 14, 12, 12, 6, 5, 8, 16, 8, 3, 6, 12, 19, 2, 14 (list; graph; listen)

	OFFSET	`0,22`
	COMMENT	`a(n)=d(n) with n^n = Sum(d(k)*20^k: 0<=d(k)<20, k>=0).`
	LINKS	`Eric Weisstein's World of Mathematics, Vigesimal`
	FORMULA	`a(n) = floor(n^n / 20^n) mod 20.`
	EXAMPLE	`n=30, 30^30=205891132094649*10^30 -> [93B83A81A7CBBA03C2241239C3C4840000000], a(30)=8.` `a(0)=1, a(k)=0 for 0<k<20 and a(20)=1.`
	CROSSREFS	`Cf. A000312, A088150, A088151, A088152, A088153, A088154, A088155, A088157.` `Sequence in context: A110003 A035302 A104772 this_sequence A019193 A054788 A019194` `Adjacent sequences: A088153 A088154 A088155 this_sequence A088157 A088158 A088159`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 20 2003`

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.

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