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A026834 a(n) = number of numbers k such that only one partition of n into distinct parts has least part k. 0
1, 1, 2, 2, 3, 2, 3, 3, 3, 3, 4, 3, 4, 4, 4, 4, 5, 4, 5, 5, 5, 5, 6, 5, 6, 6, 6, 6, 7, 6, 7, 7, 7, 7, 8, 7, 8, 8, 8, 8, 9, 8, 9, 9, 9, 9, 10, 9, 10, 10, 10, 10, 11, 10, 11, 11, 11, 11, 12, 11, 12, 12, 12, 12, 13, 12, 13, 13, 13, 13, 14, 13, 14, 14, 14, 14, 15, 14, 15, 15, 15, 15, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..83.

FORMULA

a(n) = Sum_{k=1..n} [A026821(n, k) == 1]. - Sean A. Irvine, Oct 14 2019

CROSSREFS

Sequence in context: A330808 A097849 A100678 * A071335 A176839 A179844

Adjacent sequences:  A026831 A026832 A026833 * A026835 A026836 A026837

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Oct 14 2019

STATUS

approved

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Last modified May 11 13:21 EDT 2021. Contains 343791 sequences. (Running on oeis4.)