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A114577 Dispersion of the composite numbers. +0
2
1, 4, 2, 9, 6, 3, 16, 12, 8, 5, 26, 21, 15, 10, 7, 39, 33, 25, 18, 14, 11, 56, 49, 38, 28, 24, 20, 13, 78, 69, 55, 42, 36, 32, 22, 17, 106, 94, 77, 60, 52, 48, 34, 27, 19, 141, 125, 105, 84, 74, 68, 50, 40, 30, 23, 184, 164, 140, 115, 100, 93, 70, 57, 45, 35, 29, 236, 212, 183 (list; table; graph; listen)
OFFSET

1,2

COMMENT

Column 1 consists of 1 and the primes. As a sequence, this is a permutation of the positive integers. As an array, its fractal sequence is A022446, and its transposition sequence is A114578.

LINKS

Clark Kimberling, Interspersions and Dispersions.

EXAMPLE

Northwest corner:

1 4 9 16 26

2 6 12 21 33

3 8 15 25 38

5 10 18 28 42

CROSSREFS

Cf. A022446, A114537, A114578.

Sequence in context: A008831 A095833 A082156 this_sequence A101690 A104583 A097664

Adjacent sequences: A114574 A114575 A114576 this_sequence A114578 A114579 A114580

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Dec 09 2005

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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