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A199538 Beginning row count at 1, the index of the row which contains n in Clark Kimberling's even first column Stolarsky array. 0
1, 1, 1, 2, 1, 3, 2, 1, 3, 4, 2, 5, 1, 6, 3, 7, 4, 2, 5, 8, 1, 9, 6, 3, 7, 10, 4, 11, 2, 12, 5, 13, 8, 1, 9, 14, 6, 15, 3, 16, 7, 17, 10, 4, 11, 18, 2, 19, 12, 5, 13, 20, 8, 21, 1, 22, 9, 23, 14, 6, 15, 24, 3, 25, 16, 7, 17, 26, 10, 27, 4, 28, 11, 29, 18, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..76.

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: A194921 A195079 A124458 * A002973 A071476 A071499

Adjacent sequences:  A199535 A199536 A199537 * A199539 A199540 A199541

KEYWORD

nonn

AUTHOR

Casey Mongoven, Nov 07 2011

STATUS

approved

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Last modified November 20 02:57 EST 2018. Contains 317371 sequences. (Running on oeis4.)