A179754 Iterates of A122237 starting from the initial value 6.

6, 18, 48, 141, 431, 1427, 4692, 15417, 52833, 189576, 667458, 2303485, 8261483, 30854617, 112235989, 396544978, 1457813051, 5573491517, 20668205325, 74283571059, 277368667214, 1076038620556, 4041473193751, 14706699067814

Offset

1,1

Comments

See the illustrations at A179755.

Links

A. Karttunen, Table of n, a(n) for n = 1..1024

Formula

a(1) = 6, a(n) = A122237(A179754(a(n-1))).

Prog

(Scheme:) (define (A179754 n) (if (= 1 n) 6 (A122237 (A179754 (-1+ n)))))

Crossrefs

a(n+1) = A127307(A179756(n)).

Sequence in context: A003198 A099857 A163765 * A350155 A086926 A328534

Adjacent sequences: A179751 A179752 A179753 * A179755 A179756 A179757

Keyword

nonn

Author

Antti Karttunen, Aug 03 2010

Status

approved