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A080949 a(1)=0; for n>1, a(n)=a(n-1)-2 if n is already in the sequence, a(n)=a(n-1)+5 otherwise. 0
0, 5, 10, 15, 13, 18, 23, 28, 33, 31, 36, 41, 39, 44, 42, 47, 52, 50, 55, 60, 65, 70, 68, 73, 78, 83, 88, 86, 91, 96, 94, 99, 97, 102, 107, 105, 110, 115, 113, 118, 116, 114, 119, 117, 122, 127, 125, 130, 135, 133, 138, 136, 141, 146, 144, 149, 154, 159 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..58.

B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence, J. Integer Seqs., Vol. 6 (2003), #03.2.2.

B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence (math.NT/0305308)

CROSSREFS

Cf. A080578, A080900, A080901, A080939.

Sequence in context: A179123 A004470 A205688 * A313666 A242128 A270926

Adjacent sequences:  A080946 A080947 A080948 * A080950 A080951 A080952

KEYWORD

nonn

AUTHOR

N. J. A. Sloane and Benoit Cloitre, Apr 04 2003

STATUS

approved

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Last modified October 19 22:55 EDT 2019. Contains 328244 sequences. (Running on oeis4.)