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A080098 Triangle T(n,k) = n OR k, 0<=k<=n, bitwise logical OR, read by rows. 6
0, 1, 1, 2, 3, 2, 3, 3, 3, 3, 4, 5, 6, 7, 4, 5, 5, 7, 7, 5, 5, 6, 7, 6, 7, 6, 7, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 9, 10, 11, 12, 13, 14, 15, 8, 9, 9, 11, 11, 13, 13, 15, 15, 9, 9, 10, 11, 10, 11, 14, 15, 14, 15, 10, 11, 10, 11, 11, 11, 11, 15, 15, 15, 15, 11, 11, 11, 11, 12, 13, 14, 15, 12, 13 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,4

COMMENTS

A001316(n) = number of numbers k such that n OR k = n in n-th row of the triangular array.

LINKS

Rick L. Shepherd, Rows n=0..500 of triangle, flattened

Eric Weisstein's World of Mathematics, OR.

CROSSREFS

Cf. A080099, A051933.

Sequence in context: A086063 A145653 A026263 * A083060 A102351 A078173

Adjacent sequences:  A080095 A080096 A080097 * A080099 A080100 A080101

KEYWORD

nonn,tabl

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 28 2003

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Last modified February 15 23:34 EST 2012. Contains 205860 sequences.