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A028414 Palindromes of form n^2+(n+1). 2
1, 3, 7, 111, 343, 757, 10101, 15751, 30103, 1001001, 1255521, 1403041, 1837381, 3372733, 3521253, 3847483, 100010001, 141979141, 10000100001, 14181118141, 16112621161, 35297579253, 35475157453, 37011411073 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

P. De Geest, Palindromic quasi_over_squares of the form n^2+(n+1)

CROSSREFS

A028413.

Sequence in context: A159310 A129660 A158467 * A014014 A015884 A156201

Adjacent sequences:  A028411 A028412 A028413 * A028415 A028416 A028417

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 12 07:22 EST 2012. Contains 205378 sequences.