A199538 Beginning row count at 1, the index of the row which contains n in Clark Kimberling's even first column Stolarsky array.

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

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 * A324337 A002973 A071476

Adjacent sequences: A199535 A199536 A199537 * A199539 A199540 A199541

Keyword

nonn

Author

Casey Mongoven, Nov 07 2011

Status

approved