1,2

a(n)=(1/6)*(109*n^3-153*n^2+50*n)

Cf. A100150, A100152 for adjacent structured Archimedean solids; and A100145 for more on structured polyhedral numbers.

Adjacent sequences: A100148 A100149 A100150 this_sequence A100152 A100153 A100154

Sequence in context: A160917 A100154 A100148 this_sequence A146750 A063497 A096363

easy,nonn

James A. Record (james.record(AT)gmail.com). Nov 07, 2004.