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A059319 Number of 1's in row n of Pascal's rhombus mod 2. +0
3
1, 3, 2, 5, 5, 6, 3, 11, 4, 15, 7, 10, 9, 9, 8, 21, 11, 12, 15, 25, 16, 21, 9, 22, 7, 27, 12, 15, 17, 24, 13, 43, 14, 33, 19, 20, 23, 45, 14, 55, 17, 48, 29, 35, 24, 27, 19, 42, 21, 21, 28, 45, 27, 36, 15, 33, 14, 51, 25, 40, 37, 39, 30, 85, 33, 42, 43, 55, 34, 57, 19, 44, 23, 69 (list; graph; listen)
OFFSET

0,2

REFERENCES

J. Goldwasser et al., The density of ones in Pascal's rhombus, Discrete Math., 204 (1999), 231-236.

LINKS

S. Finch, P. Sebah and Z.-Q. Bai, Odd Entries in Pascal's Trinomial Triangle (arXiv:0802.2654)

CROSSREFS

Cf. A059317, A059318, A059320, A007318.

Sequence in context: A127703 A127738 A001598 this_sequence A019828 A115207 A093048

Adjacent sequences: A059316 A059317 A059318 this_sequence A059320 A059321 A059322

KEYWORD

easy,nonn

AUTHOR

njas, Jan 26 2001

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Jan 30 2001

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.


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