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A054152
Number of positive integers <= 2^n of form x^2 + 8 y^2.
0
1, 1, 2, 3, 6, 10, 18, 32, 59, 107, 202, 375, 709, 1344, 2567, 4905, 9423, 18151, 35051, 67879, 131688, 255972, 498339, 971558, 1896661, 3706983, 7252576, 14203258, 27839240, 54610355, 107204740, 210595574, 413961363, 814190153, 1602250651
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..34.
Index entries for sequences related to populations of quadratic forms
CROSSREFS
Cf.
A020671
.
Sequence in context:
A052972
A018166
A144026
*
A240802
A339808
A089985
Adjacent sequences:
A054149
A054150
A054151
*
A054153
A054154
A054155
KEYWORD
nonn
AUTHOR
David W. Wilson
STATUS
approved
