

A106484


Iterated Stella Octangula numbers A007588.


2



2, 14, 5474, 328053267374, 70609493887317824553444331216711874, 704075595895578790602913140874091028795793004193695613020210569466609876113017694526357948165550233559374
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OFFSET

0,1


COMMENTS

Stella Octangula Number of Stella Octangula Number of ... Stella Octangula Number of 2, with n steps in the recursion. This iteration need not start with a(0) = 2. See Index for iterated triangular number, iterated pentagonal number, ..., iterated tetrahedral number, iterated octahedral number, ... iterated pentatope number and the like.


LINKS

Table of n, a(n) for n=0..5.
Eric Weisstein's World of Mathematics, Stella Octangula Number..
J. V. Post, Table of Polytope Numbers, Sorted, Through 1,000,000


FORMULA

a(0) = 2; a(n+1) = a(n)*(2*a(n)^2  1) = A007588(a(n)).


CROSSREFS

Cf. A007588, A106482, A106483.
Sequence in context: A296410 A006266 A284378 * A228342 A027739 A193307
Adjacent sequences: A106481 A106482 A106483 * A106485 A106486 A106487


KEYWORD

easy,nonn


AUTHOR

Jonathan Vos Post, May 03 2005


STATUS

approved



