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Search: id:A056794
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A056794 n*(n-1) is a pronic (A002378) palindrome. +0
1
1, 2, 3, 17, 78, 539, 1622, 2458, 5292, 5314, 52009, 142402, 143499, 1610152, 1713544, 4670029, 5218984, 15137567, 15282412, 15814149, 47370059, 50702752 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

Do[c=RealDigits[n*(n-1)][[1]]; If[c=Reverse[c], Print[n]], {n, 1, 10^8}]

CROSSREFS

Cf. A002378.

Sequence in context: A078983 A085874 A055739 this_sequence A135726 A042978 A089675

Adjacent sequences: A056791 A056792 A056793 this_sequence A056795 A056796 A056797

KEYWORD

nonn,base

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 21 2000

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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