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A170816
a(n)=A140475(n)-A141468(n).
0
1, 4, 3, 5, 5, 8, 9, 11, 15, 16, 21, 23, 23, 26, 31, 35, 36, 41, 44, 45, 49, 51, 56, 63, 66, 67, 69, 70, 73, 85, 87, 92, 93, 101, 102, 107, 112, 115, 119, 124, 125, 134, 135, 137, 137, 148, 159, 162, 163, 165, 170, 171, 179, 183, 188, 193, 194, 199, 201, 202, 211, 223
OFFSET
1,2
EXAMPLE
a(1)=1-0=1, a(2)=5-1=4, a(3)=7-4=3, a(4)=11-6=5, a(5)=13-8=5, a(6)=17-9=8.
CROSSREFS
Sequence in context: A270649 A049008 A280023 * A336067 A133981 A226211
KEYWORD
nonn
AUTHOR
STATUS
approved