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Search: id:A069355
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A069355 Numbers of form 2^i*3^j - (i+j) with i, j >= 0. +0
4
1, 2, 2, 4, 5, 7, 9, 12, 15, 20, 24, 27, 32, 43, 50, 58, 67, 77, 90, 103, 121, 138, 157, 185, 210, 238, 248, 281, 318, 376, 425, 480, 503, 568, 641, 723, 759, 856, 965, 1014, 1143, 1288, 1451, 1526, 1719, 1936, 2037, 2180 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n) = A003586(n)-A069352(n).

CROSSREFS

Cf. A069353, A069356, A069345, A022328, A022329.

Adjacent sequences: A069352 A069353 A069354 this_sequence A069356 A069357 A069358

Sequence in context: A058678 A030739 A030769 this_sequence A027597 A027592 A007209

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 18 2002

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Last modified October 5 16:50 EDT 2008. Contains 144613 sequences.


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