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A139128 Number of distinct representations A005244(n)=A005244(i)*A005244(j)-1. 3
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,28

COMMENTS

A139129 gives the smallest terms in A005244 having exactly n

representations.

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..500

Eric Weisstein's World of Mathematics, Hofstadter Sequences

Index entries for Hofstadter-type sequences

EXAMPLE

A005244(28) = 129: a(28) = #{26*5-1,65*2-1} = 2.

CROSSREFS

Sequence in context: A093518 A128184 A025450 * A106752 A136441 A030561

Adjacent sequences:  A139125 A139126 A139127 * A139129 A139130 A139131

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Apr 09 2008

STATUS

approved

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Last modified July 27 01:40 EDT 2021. Contains 346302 sequences. (Running on oeis4.)