1,2
Table of n, a(n) for n=1..5.
P. 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: A042055 A075683 A157191 * A126961 A106622 A040992
Adjacent sequences: A006026 A006027 A006028 * A006030 A006031 A006032
nonn,base
Patrick De Geest
No more terms to 10^10. Charles R Greathouse IV, Mar 23, 2011
approved
