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Search: id:A053197
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A053197 Number of level partitions of n. +0
2
1, 2, 2, 4, 3, 6, 5, 10, 8, 13, 12, 21, 18, 27, 27, 42, 38, 54, 54, 77, 76, 101, 104, 143, 142, 183, 192, 249, 256, 323, 340, 432, 448, 550, 585, 722, 760, 918, 982, 1190, 1260, 1502, 1610, 1917, 2048, 2408, 2590, 3053, 3264, 3800, 4097, 4765, 5120, 5910, 6378 (list; graph; listen)
OFFSET

1,2

COMMENT

A partition is level if the powers of 2 dividing its parts are all equal.

FORMULA

a(n) = Sum_{k=0..A007814(n)} A000009(n/2^k). a(2*n+1) = A000009(2*n+1) = A078408(n). - Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 29 2004

CROSSREFS

Cf. A049313, A053195.

Adjacent sequences: A053194 A053195 A053196 this_sequence A053198 A053199 A053200

Sequence in context: A054345 A060367 A062968 this_sequence A088145 A011754 A090105

KEYWORD

nonn,nice

AUTHOR

Vladeta Jovovic (vladeta(AT)Eunet.yu), Mar 02 2000

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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