A171900 Backwards van Eck transform of A010060.

0, 0, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 1, 3, 1

Offset

1,4

Comments

See A171898 for definition. This assumes the offset of A010060 is taken to be 1.

A161916 gives the forwards van Eck transform of A010060.

Since A001285(n) = 1+A010060(n) differ only by a constant, this is also the Backwards van Eck Transform of A001285. - R. J. Mathar, Jun 24 2021

Links

Table of n, a(n) for n=1..105.

Formula

A026491(n-1)-A026491(n-2) = a(n) for n>=3. - Michel Dekking, Apr 11 2019

Crossrefs

Cf. A010060, A161916, A171898. See also A026491.

Sequence in context: A226481 A088435 A328630 * A204257 A074976 A329873

Adjacent sequences: A171897 A171898 A171899 * A171901 A171902 A171903

Keyword

nonn

Author

N. J. A. Sloane, Oct 22 2010

Status

approved