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A077307
Partial sums of theta series of diamond (A005925).
0
1, 1, 1, 5, 5, 5, 5, 5, 17, 17, 17, 29, 29, 29, 29, 29, 35, 35, 35, 47, 47, 47, 47, 47, 71, 71, 71, 87, 87, 87, 87, 87, 99, 99, 99, 123, 123, 123, 123, 123, 147, 147, 147, 159, 159, 159, 159, 159, 167, 167, 167, 191, 191, 191, 191, 191, 239, 239, 239, 275, 275, 275, 275, 275, 281, 281, 281, 293
OFFSET
0,4
FORMULA
a(n) = Sum_{i=0..n} A005925(i).
CROSSREFS
Cf. A005925.
Sequence in context: A001735 A245101 A246839 * A181943 A243757 A321689
KEYWORD
nonn
AUTHOR
Jonathan Vos Post, Dec 13 2010
EXTENSIONS
Incorrect a(16)=35 removed by Georg Fischer, Aug 29 2020
STATUS
approved