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A081954
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Triangle read by rows: T(n, k) = 2^(n-k)*3^k, n >= 1, 0 <= k < n.
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3
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2, 4, 6, 8, 12, 18, 16, 24, 36, 54, 32, 48, 72, 108, 162, 64, 96, 144, 216, 324, 486, 128, 192, 288, 432, 648, 972, 1458, 256, 384, 576, 864, 1296, 1944, 2916, 4374, 512, 768, 1152, 1728, 2592, 3888, 5832, 8748, 13122, 1024, 1536, 2304, 3456, 5184, 7776
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table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..51.
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EXAMPLE
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Triangle begins:
2
4 6
8 12 18
16 24 36 54
32 48 72 108 162
...
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PROG
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(PARI) tabl(nrows) = {for (n=1, nrows, for (k=0, n-1, print1(2^(n-k)*3^k, ", "); ); print(); ); } \\ Michel Marcus, May 14 2013
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CROSSREFS
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Leading diagonal is given by A025192.
Cf. A025192, A081955, A081956, A002262, A090404.
Sequence in context: A131117 A181821 A168657 * A096903 A222603 A177710
Adjacent sequences: A081951 A081952 A081953 * A081955 A081956 A081957
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KEYWORD
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nonn,tabl
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 02 2003
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EXTENSIONS
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Corrected and extended by David Wasserman, Jul 21 2004
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STATUS
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approved
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