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A133039 Differences between cubes of numbers P(n) of the Padovan sequence A000931 and squares of numbers of the same sequence. +0
1
0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 18, 48, 100, 294, 648, 1584, 3840, 8820, 21168, 49284, 115248, 270400, 628660, 1468548, 3420150, 7960000, 18539400 (list; graph; listen)
OFFSET

0,10

FORMULA

a(n) = P(n)^3 - P(n)^2.

EXAMPLE

a(10)=18 because Padovan(10)=3 and 3^3=27 and 3^2=9 and 27-9=18.

CROSSREFS

Cf. A000290, A000578, A045991. Padovan sequence: A000931.

Sequence in context: A128090 A119948 A005222 this_sequence A035413 A087213 A117857

Adjacent sequences: A133036 A133037 A133038 this_sequence A133040 A133041 A133042

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Nov 02 2007

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Last modified December 4 20:00 EST 2008. Contains 151309 sequences.


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