OFFSET
4,1
REFERENCES
M. Gardner, Fractal Music, Hypercards and More, Freeman, NY, 1991, p. 240.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
FORMULA
a(n) = A002562(n+5). [Vaclav Kotesovec, Sep 07 2012]
CROSSREFS
KEYWORD
nonn
STATUS
approved