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A106484 Iterated Stella Octangula numbers A007588. 2
2, 14, 5474, 328053267374, 70609493887317824553444331216711874, 704075595895578790602913140874091028795793004193695613020210569466609876113017694526357948165550233559374 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 1 08:39 EDT 2020. Contains 337442 sequences. (Running on oeis4.)