1,2

a(n)=(1/6)*(105*n^3-141*n^2+42*n)

Cf. A100153, A100155 for adjacent structured Archimedean solids; A100145 for more on structured polyhedral numbers.

Sequence in context: A100153 A059461 A160917 this_sequence A100148 A100151 A146750

Adjacent sequences: A100151 A100152 A100153 this_sequence A100155 A100156 A100157

easy,nonn

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