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A091604 Matrix square of triangle A091602. 3
1, 2, 1, 4, 0, 1, 6, 4, 0, 1, 10, 4, 2, 0, 1, 17, 8, 4, 2, 0, 1, 25, 12, 7, 2, 2, 0, 1, 38, 25, 9, 7, 2, 2, 0, 1, 57, 33, 19, 8, 5, 2, 2, 0, 1, 84, 57, 27, 16, 8, 5, 2, 2, 0, 1, 120, 81, 46, 22, 15, 6, 5, 2, 2, 0, 1, 174, 129, 68, 41, 19, 15, 6, 5, 2, 2, 0, 1, 243, 182, 107, 56, 36, 18, 13, 6 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..86.

EXAMPLE

1; 2,1; 4,0,1; 6,4,0,1; 10,4,2,0,1; ...

CROSSREFS

Row sums: A091610. Column 1: A091611.

Sequence in context: A143316 A127192 A122141 * A200192 A137629 A220504

Adjacent sequences:  A091601 A091602 A091603 * A091605 A091606 A091607

KEYWORD

nonn,tabl

AUTHOR

Christian G. Bower, Jan 23 2004

STATUS

approved

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Last modified June 24 01:22 EDT 2018. Contains 311819 sequences. (Running on oeis4.)