1,2
P. De Geest, Palindromic Tetrahedrals
Cf. A006029.
Adjacent sequences: A006027 A006028 A006029 this_sequence A006031 A006032 A006033
Sequence in context: A114766 A072725 A113896 this_sequence A087365 A024059 A069920
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com)
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