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A199539 Beginning column count at 1, the index of the column which contains n in Clark Kimberling's even first column Stolarsky array. 0
1, 2, 3, 1, 4, 1, 2, 5, 2, 1, 3, 1, 6, 1, 3, 1, 2, 4, 2, 1, 7, 1, 2, 4, 2, 1, 3, 1, 5, 1, 3, 1, 2, 8, 2, 1, 3, 1, 5, 1, 3, 1, 2, 4, 2, 1, 6, 1, 2, 4, 2, 1, 3, 1, 9, 1, 3, 1, 2, 4, 2, 1, 6, 1, 2, 4, 2, 1, 3, 1, 5, 1, 3, 1, 2, 7, 2, 1, 3, 1, 5, 1, 3, 1, 2, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..86.

C. Kimberling, The first column of an interspersion, Fibonacci Quarterly 32 (1994), pp. 301-314.

EXAMPLE

The even first column stolarsky array (EFC array), northwest corner:

1......2.....3.....5.....8....13....21....34....55....89...144  ...

4......7....11....18....29....47....76...123...199...322...521

6......9....15....24....39....63...102...165...267...432...699

10....17....27....44....71...115...186...301...487...788..1275

12....19....31....50....81...131...212...343...555...898..1453

14....23....37....60....97...157...254...411...665..1076..1741

16....25....41....66...107...173...280...453...733..1186..1919

20....33....53....86...139...225...364...589...953..1542..2673

22....35....57....92...149...241...390...631..1021..1652..2673

CROSSREFS

Sequence in context: A274913 A265105 A035612 * A089555 A098554 A226081

Adjacent sequences:  A199536 A199537 A199538 * A199540 A199541 A199542

KEYWORD

nonn

AUTHOR

Casey Mongoven, Nov 07 2011

STATUS

approved

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Last modified February 25 14:46 EST 2018. Contains 299654 sequences. (Running on oeis4.)