A006163 a(n)=a(a(n-1)-3)+a(n+3-a(n-1)). (Formerly M0460)

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

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: A003005 A332204 A245321 * A331268 A053757 A256562

Adjacent sequences: A006160 A006161 A006162 * A006164 A006165 A006166

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