1,2

C. Rossiter, Depictions, Explorations and Formulas of the Euler/Pascal Cube.

a(n) = {(n*(1 + n)*(2 + n)*(3 + n)*(3 + 2*n)*(-1 + 2*n*(3 + n)))/840}.

Cf. A101091, A101089.

Sequence in context: A041692 A078977 A085464 this_sequence A142746 A139902 A140624

Adjacent sequences: A101087 A101088 A101089 this_sequence A101091 A101092 A101093

easy,nonn

Cecilia Rossiter (cecilia(AT)noticingnumbers.net), Dec 14 2004

Edited by Ralf Stephan, Dec 16 2004