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