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A171219
A138101(n)+A168142(n).
1
5, 5, 21, 21, 21, 21, 21, 21, 21, 21, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121
OFFSET
1,1
COMMENTS
This here basically repeats entries A168388(2k+1) 2*k^2 times for k=1,2,....
The construction is similar to A168234.
CROSSREFS
Sequence in context: A352315 A283212 A283250 * A325893 A146043 A116400
KEYWORD
nonn,easy,less
AUTHOR
Paul Curtz, Dec 05 2009
EXTENSIONS
Comments tightened - R. J. Mathar, Nov 24 2010
STATUS
approved