A006029 - OEIS

A006029

Numbers k such that the k-th tetrahedral number k*(k+1)*(k+2)/6 is palindromic.

1, 2, 17, 21, 336 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`No more terms to 10^10. - Charles R Greathouse IV, Mar 23 2011`
	LINKS	`Table of n, a(n) for n=1..5.` `Patrick De Geest, Palindromic Tetrahedrals`
	MATHEMATICA	`Select[Range[350], PalindromeQ[(#(#+1)(#+2))/6]&] (* Requires Mathematica version 10 or later ) ( Harvey P. Dale, Apr 02 2018 *)`
	CROSSREFS	`Cf. A006030.` `Sequence in context: A340044 A309055 A157191 * A332094 A126961 A106622` `Adjacent sequences: A006026 A006027 A006028 * A006030 A006031 A006032`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest`
	STATUS	`approved`

Last modified May 18 19:51 EDT 2022. Contains 353824 sequences. (Running on oeis4.)