

A171609


Lim_{n>inf.} (A171608)^n, = leftshifted vector considered as a sequence.


2



1, 2, 4, 6, 12, 16, 24, 30, 60, 72, 96, 112, 168, 192, 240, 270, 540, 600, 720, 792, 1056, 1152, 1344, 1456
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OFFSET

1,2


LINKS

Table of n, a(n) for n=1..24.


FORMULA

Lim_{n>inf.} (A171608)^n, a leftshifted vector considered as a sequence.


EXAMPLE

First few rows of triangle A171608 =
1;
2, 0;
0, 2, 0;
0, 3, 0, 0;
0, 0, 3, 0, 0;
0, 0, 4, 0, 0, 0;
0, 0, 0, 4, 0, 0, 0;
0, 0, 0, 5, 0, 0, 0, 0;
...
Let the triangle = M, then A171609 = Lim_{n>inf.} M^n


CROSSREFS

Cf. A171608
Sequence in context: A089395 A089699 A089696 * A099316 A007416 A293132
Adjacent sequences: A171606 A171607 A171608 * A171610 A171611 A171612


KEYWORD

nonn


AUTHOR

Gary W. Adamson, Dec 12 2009


STATUS

approved



