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A258654
Suppose A103739(n) = x^2 + y^2 with x < y. The sequence gives values of x.
1
1, 2, 1, 3, 5, 4, 3, 7, 6, 7, 2, 4, 10, 9, 5, 3, 12, 10, 5, 6, 15, 12, 10, 18, 20, 19, 15, 11, 13, 22, 21, 20, 15, 5, 25, 23, 20, 18, 3, 15, 27, 5, 24, 28, 2, 8, 15, 14, 30, 16, 15, 25, 34, 33, 30, 20, 12, 34, 30, 15, 40, 39, 38, 35, 25, 30, 13, 39, 23, 6, 29, 18
OFFSET
1,2
COMMENTS
See first comment in A103739.
FORMULA
a(n) = (A258653(n) - A258642(n))/2.
EXAMPLE
a(1)=(A258653(1) - A258642(1))/2=(5-3)/2=1;
a(2)=(A258653(2) - A258642(2))/2=(7-3)/2=2.
CROSSREFS
Cf. A103739, A258642, A258653, A257816 (values of y).
Sequence in context: A253676 A182939 A056943 * A171085 A288538 A256210
KEYWORD
nonn
AUTHOR
Zak Seidov, Jun 06 2015
STATUS
approved