A186888 - OEIS

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A186888

Indices of odd Kendall-Mann numbers (A000140).

1, 2, 6, 7, 10, 11, 19, 22, 26, 30, 38, 39, 50, 55, 58, 62, 70, 71, 74, 75, 78, 86, 87, 90, 95, 98, 102, 103, 107, 110, 111, 114, 115, 118, 122, 126, 131, 135, 138, 151, 167, 178, 179, 182, 183, 190, 194, 210, 211, 215, 218, 219, 223, 226, 231, 235, 239, 243, 251, 258, 263, 266, 267, 270, 271, 279, 283, 295, 303, 310, 311, 327, 335, 346

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Indices of odd terms of A000140, submitted at the request of Alonso del Arte, Feb 27 2011.

LINKS

Table of n, a(n) for n=1..74.

MATHEMATICA

f[n_] := f[n] = Max@ CoefficientList[ Expand@ Product[ Sum[x^i, {i, 0, j}], {j, n - 1}], x]; Select[ Range@ 350, OddQ[ f@ #] &]

CROSSREFS

Cf. A000140.

Sequence in context: A327985 A189465 A109783 * A179883 A179303 A346123

Adjacent sequences: A186885 A186886 A186887 * A186889 A186890 A186891

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Feb 28 2011

STATUS

approved