A210691 Modified Golomb's sequence: a(n) is the number of times n occurs, starting with a(1)=2.

2, 1, 1, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17

Offset

1,1

Links

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

Example

a(5)=4 because there are four fives in the series.

Prog

(PARI) v=List([2, 1, 1]); for(n=3, 50, for(i=1, v[n], listput(v, n))); Vec(v) \\ Charles R Greathouse IV, Apr 11 2012

Crossrefs

Cf. A001462

Sequence in context: A226209 A302097 A307277 * A262175 A278028 A124424

Adjacent sequences: A210688 A210689 A210690 * A210692 A210693 A210694

Keyword

nonn

Author

Thomas S. Pedigo, Mar 30 2012

Extensions

a(21)-a(75) from Charles R Greathouse IV, Apr 11 2012

Status

approved