A025072 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (odd natural numbers).

3, 5, 7, 9, 18, 22, 35, 41, 47, 53, 72, 80, 103, 113, 140, 152, 164, 176, 209, 223, 260, 276, 317, 335, 380, 400, 420, 440, 491, 513, 568, 592, 651, 677, 740, 768, 835, 865, 895, 925, 998, 1030, 1107, 1141, 1222, 1258, 1343, 1381, 1470, 1510, 1603, 1645, 1687, 1729, 1828

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Crossrefs

Cf. A023532.

Sequence in context: A270837 A057482 A114136 * A369612 A083107 A338637

Adjacent sequences: A025069 A025070 A025071 * A025073 A025074 A025075

Keyword

nonn

Author

Clark Kimberling

Status

approved