id:A135725 - OEIS Search Results

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Let d(i) be the i-th digit of the decimal expansion of e = 2.718281828459045235360287471352662..., so that d(0) = 2, d(1) = 7, d(2) = 1, etc. Then a(0) = 2, a(n) = d(d(n)) for n>0.

+0
4

2, 8, 7, 2, 1, 2, 7, 2, 1, 2, 2, 8, 8, 2, 2, 8, 1, 8, 8, 8, 1, 2, 1, 2, 8, 2, 8, 7, 8, 8, 1, 1, 1, 1, 2, 8, 8, 8, 8, 8, 1, 2, 8, 2, 8, 8, 1, 8, 8, 8, 8, 8, 8, 8, 2, 8, 1, 1, 8, 1, 8, 1, 1, 8, 8, 1, 2, 2, 8, 1, 1, 8, 2, 8, 8, 8, 8, 2, 8, 8, 8, 2, 8, 8, 7, 8, 2, 1, 7, 8, 2, 8, 1, 8, 7, 1, 1, 2, 1 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`This defines a constant 2.8721272122882... related to e in a peculiar way!`
	LINKS	`Zak Seidov, Table of n, a(n) for n = 0..999`
	CROSSREFS	`Cf. A155912.` `Sequence in context: A134877 A085298 A011060 this_sequence A093624 A021352 A094289` `Adjacent sequences: A135722 A135723 A135724 this_sequence A135726 A135727 A135728`
	KEYWORD	`nonn,base`
	AUTHOR	`Zak Seidov and N. J. A. Sloane (njas(AT)research.att.com), Feb 10 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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