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A116511 Table T(n,k) = number of strictly increasing addition chains of length n whose final value is k. 0
1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 2, 2, 0, 1, 0, 0, 0, 0, 1, 3, 5, 5, 3, 4, 0, 3, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 4, 9, 14, 17, 15, 17, 10, 14, 4, 10, 2, 7, 0, 6, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 5, 14, 28, 45, 60, 67, 78, 66, 81, 51, 73, 33, 65, 29, 40, 4, 47, 14, 24, 5, 23, 0, 12 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,12

COMMENTS

Row n has 2^(n-1) entries (starting with n-1 zeros).

LINKS

Table of n, a(n) for n=1..93.

EXAMPLE

Table starts:

1,

0,1,

0,0,1,1,

0,0,0,1,2,2,0,1,

0,0,0,0,1,3,5,5,3,4,0,3,0,0,0,1,

CROSSREFS

Row sums A008933, column sums A008928.

Sequence in context: A087637 A052458 A004586 * A248211 A049502 A242284

Adjacent sequences:  A116508 A116509 A116510 * A116512 A116513 A116514

KEYWORD

nonn,tabl

AUTHOR

Franklin T. Adams-Watters, Mar 22 2006

STATUS

approved

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Last modified April 19 12:48 EDT 2021. Contains 343114 sequences. (Running on oeis4.)