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Search: id:A027445
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A027445 Numbers of form n^4 + n^3 + n^2 + n^1. +0
6
0, 4, 30, 120, 340, 780, 1554, 2800, 4680, 7380, 11110, 16104, 22620, 30940, 41370, 54240, 69904, 88740, 111150, 137560, 168420, 204204, 245410, 292560, 346200, 406900, 475254, 551880, 637420, 732540, 837930, 954304, 1082400 (list; graph; listen)
OFFSET

0,2

COMMENT

a(A047203(n)) mod 10 = 0; a(A016861(n)) mod 10 = 4. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 23 2006

MATHEMATICA

lst={}; Do[AppendTo[lst, n^4+n^3+n^2+n], {n, 0, 5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 20 2008]

CROSSREFS

Equals 2 * A071237(n).

Sequence in context: A014697 A027297 A166761 this_sequence A027789 A130424 A005715

Adjacent sequences: A027442 A027443 A027444 this_sequence A027446 A027447 A027448

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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