A006164 a(n)=a(a(n-1)-4)+a(n+4-a(n-1)). (Formerly M0465)

1, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 10, 11, 12, 12, 12, 13, 14, 15, 16, 17, 18, 19, 19, 20, 20, 21, 22, 23, 24, 25, 26, 27, 28, 28, 29, 30, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 39, 40, 41, 42, 42, 42, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 52, 53, 54, 55, 56, 56, 57, 57, 58

Offset

1,3

References

J. Arkin, D. C. Arney, L. S. Dewald and W. E. Ebel, Jr., Families of recursive sequences, J. Rec. Math., 22 (No. 22, 1990), 85-94.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..73.

Crossrefs

Sequence in context: A248148 A210062 A245337 * A053758 A303789 A145569

Adjacent sequences: A006161 A006162 A006163 * A006165 A006166 A006167

Keyword

nonn,easy

Author

N. J. A. Sloane.

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 28 2003

Status

approved