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A171433
n-th half of even single (or even isolated) numbers plus n-th half of even non-single (or even nonisolated) numbers.
0
1, 6, 8, 13, 17, 25, 32, 42, 49, 65, 70, 86, 93, 109, 116, 121, 137, 144, 160, 167, 183, 202, 239, 247, 263, 294, 319, 335, 346, 359, 369, 445, 452, 456, 472, 485, 555, 562, 572, 579, 595, 626, 667, 692, 700, 707, 717, 772, 785, 801, 805, 866, 873, 898, 914
OFFSET
1,2
FORMULA
a(n)=A168497(n)+A168044(n).
EXAMPLE
a(1)=1+0=1, a(2)=2+4=6, a(3)=3+5=8.
CROSSREFS
Cf. A167706(the single or isolated numbers), A167707(the non-single or nonisolatred numbers), A168044, A168497.
Sequence in context: A315874 A315875 A315876 * A190546 A190558 A063188
KEYWORD
nonn
AUTHOR
EXTENSIONS
Entries checked by R. J. Mathar, May 23 2010
STATUS
approved