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A086525
a(n) = a(( a(n-2))*(1-mod(n,2))+a(n-1)*(mod(n,2))) + a((n - a(n-2))*(1-mod(n,2))+(n-a(n-1))*(mod(n,2))).
1
1, 1, 2, 3, 3, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10, 11, 12, 13, 13, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23, 23, 24, 25, 25, 26, 27, 27, 28, 29, 30, 30, 31, 32, 32, 33, 34, 34, 35, 36, 37, 37, 38, 39, 40, 40, 41, 42, 42, 43, 44, 44, 45, 46, 47, 47, 48, 49, 50, 50, 51, 52, 52
OFFSET
1,3
COMMENTS
The sequence o2 mentioned in A086841.
MATHEMATICA
digits=200 Mc[n_Integer?Positive] :Mc[n] =Mc[( Mc[n-2])*(1-Mod[n, 2])+Mc[n-1]*(Mod[n, 2])] + Mc[(n - Mc[n-2])*(1-Mod[n, 2])+(n-Mc[n-1])*(Mod[n, 2])] Mc[1] = Mc[2] = 1 a1=Table[Mc[n], {n, 1, digits}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Sep 14 2003
EXTENSIONS
Edited by N. J. A. Sloane, Nov 07 2007
STATUS
approved