A024867 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = (primes).

3, 5, 17, 25, 56, 76, 136, 164, 265, 319, 475, 553, 776, 894, 1198, 1354, 1755, 1933, 2443, 2685, 3316, 3586, 4352, 4682, 5605, 6029, 7119, 7613, 8878, 9422, 10892, 11496, 13183, 13921, 15847, 16657, 18836, 19762, 22210, 23304, 26039, 27227, 30267, 31595, 34948

Offset

2,1

Links

Table of n, a(n) for n=2..46.

Crossrefs

Sequence in context: A364959 A263811 A323194 * A025111 A253204 A266165

Adjacent sequences: A024864 A024865 A024866 * A024868 A024869 A024870

Keyword

nonn

Author

Clark Kimberling

Status

approved