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A023485 a(n) = b(n) + d(n), where b(n) = (n-th Lucas number A000204 > 1) and d(n) = (n-th non-Fibonacci number). 0
7, 10, 14, 20, 28, 40, 59, 90, 138, 215, 339, 539, 862, 1384, 2229, 3594, 5802, 9374, 15153, 24503, 39631, 64108, 103712, 167792, 271475, 439237, 710682, 1149887, 1860535, 3010387, 4870886, 7881236, 12752084, 20633281, 33385325, 54018565, 87403848, 141422370 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) = A000204(n+1) + A001690(n), n >= 1. - N. J. A. Sloane, Mar 16 2013
MATHEMATICA
nn=40; Module[{lcs=LucasL[Range[2, nn+1]], nf, len}, nf=Complement[ Range[ nn+ 10], Fibonacci[Range[nn]]]; len=Min[Length[lcs], Length[nf]]; Total/@ Thread[ {Take[lcs, len], Take[nf, len]}]] (* Harvey P. Dale, Mar 16 2013 *)
CROSSREFS
Sequence in context: A020752 A134302 A229306 * A020721 A015782 A336089
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected and extended by Harvey P. Dale, Mar 16 2013
Offset corrected, cross-references added by N. J. A. Sloane, Mar 16 2013
STATUS
approved

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Last modified March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)