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A211803 Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^2>=x^2+y^2. 2
1, 5, 14, 32, 61, 103, 162, 240, 341, 465, 618, 802, 1017, 1269, 1560, 1892, 2267, 2691, 3164, 3688, 4269, 4907, 5604, 6364, 7193, 8091, 9058, 10102, 11223, 12421, 13702, 15072, 16527, 18071, 19714, 21452, 23287, 25225, 27268, 29420 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 2 of A211805; see A211790 for a discussion and guide to related sequences.

LINKS

Table of n, a(n) for n=1..40.

MATHEMATICA

(See the program at A211805.)

CROSSREFS

Cf. A211790, A211805.

Sequence in context: A295344 A219902 A064412 * A299275 A266759 A139754

Adjacent sequences:  A211800 A211801 A211802 * A211804 A211805 A211806

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 22 2012

STATUS

approved

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Last modified March 29 13:55 EDT 2020. Contains 333107 sequences. (Running on oeis4.)