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A120149 a(1)=2; a(n)=floor((7+sum(a(1) to a(n-1)))/3). 0
2, 3, 4, 5, 7, 9, 12, 16, 21, 28, 38, 50, 67, 89, 119, 159, 212, 282, 376, 502, 669, 892, 1189, 1586, 2114, 2819, 3759, 5012, 6682, 8910, 11880, 15840, 21120, 28160, 37546, 50062, 66749, 88999, 118665, 158220, 210960, 281280, 375040, 500053, 666738 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

MATHEMATICA

f[s_] := Append[s, Floor[(7 + Plus @@ s)/3]]; Nest[f, {2}, 44] - Robert G. Wilson v, Jul 08 2006

CROSSREFS

Cf. A073941, A112088, A072493.

Sequence in context: A272948 A164001 A117598 * A117597 A241336 A233522

Adjacent sequences:  A120146 A120147 A120148 * A120150 A120151 A120152

KEYWORD

nonn

AUTHOR

Graeme McRae, Jun 10 2006

EXTENSIONS

More terms from Robert G. Wilson v, Jul 08 2006

STATUS

approved

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Last modified September 22 22:24 EDT 2020. Contains 337291 sequences. (Running on oeis4.)