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A083167 Triangle read by rows in which from the second row onwards the n-th row contains n smallest multiples of (n-1) not included earlier such that the row sum is a multiple of n. Triangle begins with 1. 5
1, 2, 4, 6, 8, 10, 3, 9, 12, 24, 16, 20, 28, 32, 44, 5, 15, 25, 30, 35, 40, 18, 36, 42, 48, 54, 60, 78, 7, 14, 21, 49, 56, 63, 70, 112, 64, 72, 80, 88, 96, 104, 120, 128, 184, 27, 45, 81, 90, 99, 108, 117, 126, 135, 162, 50, 100, 110, 130, 140, 150, 160, 170, 180, 190, 270 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..66.

EXAMPLE

1

2 4

6 8 10

3 9 12 24

16 20 28 32 44

...

CROSSREFS

Cf. A083168, A083169, A083170, A083171, A083172.

Sequence in context: A004521 A103694 A357379 * A338741 A115950 A077127

Adjacent sequences: A083164 A083165 A083166 * A083168 A083169 A083170

KEYWORD

nonn,tabl

AUTHOR

Amarnath Murthy, Apr 26 2003

EXTENSIONS

Corrected and extended by David Wasserman, Oct 25 2004

STATUS

approved

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Last modified March 20 22:04 EDT 2023. Contains 361391 sequences. (Running on oeis4.)