A006162 a(n)=a(a(n-1)-2)+a(n+2-a(n-1)). (Formerly M0450)

1, 1, 2, 3, 4, 4, 5, 6, 7, 8, 8, 8, 9, 10, 11, 12, 13, 13, 14, 14, 15, 16, 17, 18, 19, 20, 20, 21, 22, 22, 22, 22, 23, 24, 25, 26, 27, 28, 29, 29, 30, 31, 32, 32, 33, 33, 34, 34, 35, 36, 37, 38, 39, 40, 41

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..55.

Crossrefs

Sequence in context: A245335 A244230 A277814 * A036701 A053756 A210436

Adjacent sequences: A006159 A006160 A006161 * A006163 A006164 A006165

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved