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A049709
a(n) = (1/2) * Sum_{i=0..n} T(i,n-i), array T as in A049704.
1
2, 3, 4, 7, 9, 14, 18, 26, 33, 45, 52, 70, 85, 102, 120, 148, 168, 202, 229, 265, 301, 349, 386, 444, 497, 554, 608, 682, 738, 819, 894, 986, 1078, 1178, 1263, 1383, 1499, 1620, 1725, 1870, 1989, 2149, 2289
OFFSET
3,1
CROSSREFS
Sequence in context: A129373 A139078 A065046 * A108950 A238545 A325343
KEYWORD
nonn
STATUS
approved