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A114478 Triangle read by rows; n-th row begins with n and contains n nonprimes greater than n and not already used. 0
1, 4, 2, 6, 8, 3, 9, 10, 12, 4, 14, 15, 16, 18, 5, 20, 21, 22, 24, 25, 6, 26, 27, 28, 30, 32, 33, 7, 34, 35, 36, 38, 39, 40, 42, 8, 44, 45, 46, 48, 49, 50, 51, 52, 9, 54, 55, 56, 57, 58, 60, 62, 63, 64, 10, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..64.

EXAMPLE

1,4

2,6,8

3,9,10,12

4,14,15,16,18

5,20,21,22,24,25

CROSSREFS

Cf. A113167.

Sequence in context: A077157 A268718 A306874 * A330530 A302659 A134239

Adjacent sequences:  A114475 A114476 A114477 * A114479 A114480 A114481

KEYWORD

nonn,tabl

AUTHOR

Parthasarathy Nambi, Feb 16 2006

EXTENSIONS

More terms from Sean A. Irvine, Sep 22 2011

STATUS

approved

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Last modified March 28 20:01 EDT 2020. Contains 333103 sequences. (Running on oeis4.)