1,2

a(n)=(1/6)*(80*n^3-102*n^2+28*n)

Cf. A100145, A100147 for adjacent structured Archimedean solids; and A100145 for more on structured polyhedral numbers.

Adjacent sequences: A100143 A100144 A100145 this_sequence A100147 A100148 A100149

Sequence in context: A072254 A062247 A062248 this_sequence A052683 A115056 A001337

easy,nonn

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