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 A054526 Triangle T(n,k): T(n,k) = phi(k) (n >= 1, 1 <= k <= n). 0
 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; text; internal format)
 OFFSET 1,6 LINKS MAPLE seq(seq(phi(k), k=1..n), n=0..13); # Zerinvary Lajos, Oct 07 2007 CROSSREFS Cf. A054521. Sequence in context: A206498 A184848 A184720 * A113453 A245851 A230596 Adjacent sequences: A054523 A054524 A054525 * A054527 A054528 A054529 KEYWORD nonn,tabl AUTHOR N. J. A. Sloane, Apr 09 2000 STATUS approved

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Last modified November 26 20:27 EST 2022. Contains 358362 sequences. (Running on oeis4.)