A209980 - OEIS

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A209980

(A197168)/2.

0, 0, 1, 3, 9, 15, 25, 35, 49, 59, 81, 99, 113, 135, 169, 183, 213, 243, 277, 311, 341, 363, 421, 463, 493, 531, 601, 635, 681, 735, 781, 839, 901, 939, 1033, 1079, 1125, 1195, 1301, 1347, 1409, 1487, 1557, 1639, 1717, 1763, 1893, 1983, 2045, 2127

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

COMMENTS

See A210000 for a guide to related sequences.

LINKS

Table of n, a(n) for n=0..49.

MATHEMATICA

(See the Mathematica section at A209978.)

CROSSREFS

Cf. A210000.

Sequence in context: A192720 A357167 A099989 * A085046 A138495 A055927

Adjacent sequences: A209977 A209978 A209979 * A209981 A209982 A209983

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 16 2012

STATUS

approved