1,2
a(n)=(1/6)*(116*n^3-168*n^2+58*n)
Cf. A100158, A100159 = alternate vertices; A100145 for more on structured polyhedral numbers.
Sequence in context: A100158 A100166 A100159 this_sequence A010746 A020191 A069966
Adjacent sequences: A100157 A100158 A100159 this_sequence A100161 A100162 A100163
easy,nonn
James A. Record (james.record(AT)gmail.com). Nov 07, 2004.
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