A054526 - OEIS

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A054526

Triangle T(n,k): T(n,k) = phi(k) (n >= 1, 1<=k<=n).

1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 4, 1, 1, 2, 2, 4, 2, 1, 1, 2, 2, 4, 2, 6, 1, 1, 2, 2, 4, 2, 6, 4, 1, 1, 2, 2, 4, 2, 6, 4, 6, 1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 10, 1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 10, 4, 1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 10, 4, 12 (list; table; graph; refs; listen; history; internal format)

	OFFSET	`1,6`
	MAPLE	`seq(seq(phi(k), k=1..n), n=0..13); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 07 2007`
	CROSSREFS	`Cf. A054521.` `Sequence in context: A156593 A184848 A184720 * A113453 A003983 A087062` `Adjacent sequences: A054523 A054524 A054525 * A054527 A054528 A054529`
	KEYWORD	`nonn,tabl`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 09 2000`

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Last modified February 15 23:34 EST 2012. Contains 205860 sequences.