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Search: id:A161183
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A161183 Terms which occur at least twice in A161182. +0
1
1, 9, 16, 25, 53, 78, 82, 89, 115, 120, 130, 152, 161, 178, 196, 224, 233, 235, 250, 256, 265, 286, 291, 300, 301, 314, 315, 325, 347, 357, 360, 368, 381, 391, 397, 419, 428, 430, 456, 468, 479, 483, 484, 494, 495, 512, 528, 570, 577, 589, 591, 608, 610, 620 (list; graph; listen)
OFFSET

1,2

COMMENT

A161182 is not monotonic, so some terms (like 89) listed here are not direct neighbours in A161182. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 22 2009]

MAPLE

A038107 := proc(n) numtheory[pi]( n^2) ; end: A078435 := proc(n) n^2-A038107(n) ; end: A161182 := proc(n) A078435(n)-A078435(n-1) ; end: L := [] ; for n from 1 to 1200 do L := [op(L), A161182(n)] ; od: read("transforms3") ; L := sort(L) ; L := LISTDUPL(L, 0) ; [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 22 2009]

CROSSREFS

Cf. A078435, A161182.

Sequence in context: A108945 A092941 A075393 this_sequence A048752 A162616 A153362

Adjacent sequences: A161180 A161181 A161182 this_sequence A161184 A161185 A161186

KEYWORD

easy,nonn

AUTHOR

Daniel Tisdale (daniel6874(AT)gmail.com), Jun 05 2009

EXTENSIONS

Edited by N. J. A. Sloane, Jun 07 2009

Missing numbers added by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 22 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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