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A024689
a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = A001950 (upper Wythoff sequence).
0
4, 10, 39, 55, 125, 165, 302, 365, 591, 682, 1006, 1144, 1602, 1782, 2374, 2620, 3386, 3685, 4650, 5005, 6162, 6607, 8003, 8519, 10176, 10768, 12676, 13382, 15596, 16388, 18888, 19815, 22660, 23689, 26907, 28038, 31601, 32889, 36865, 38272, 42626, 44210
OFFSET
1,1
CROSSREFS
Sequence in context: A149200 A149201 A065524 * A320806 A149202 A151447
KEYWORD
nonn
STATUS
approved