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A006029 Numbers n such that n-th tetrahedral number n(n+1)(n+2)/6 is palindromic. 1
1, 2, 17, 21, 336 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

P. De Geest, Palindromic Tetrahedrals

CROSSREFS

Cf. A006030.

Sequence in context: A042055 A075683 A157191 * A126961 A106622 A040992

Adjacent sequences:  A006026 A006027 A006028 * A006030 A006031 A006032

KEYWORD

nonn,base

AUTHOR

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

EXTENSIONS

No more terms to 10^10. Charles R Greathouse IV, Mar 23, 2011

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Last modified February 12 18:02 EST 2012. Contains 205432 sequences.