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A209974 (A209973)/4. 1
0, 0, 3, 5, 9, 13, 19, 25, 33, 39, 51, 61, 69, 81, 99, 107, 123, 139, 157, 175, 191, 203, 233, 255, 271, 291, 327, 345, 369, 397, 421, 451, 483, 503, 551, 575, 599, 635, 689, 713, 745, 785, 821, 863, 903, 927, 993, 1039, 1071, 1113, 1173 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

For a guide to related sequences, see A210000.

LINKS

Table of n, a(n) for n=0..50.

MATHEMATICA

(See the Mathematica section at A210000.)

CROSSREFS

Cf. A210000.

Sequence in context: A065802 A245302 A118028 * A099392 A080827 A200919

Adjacent sequences:  A209971 A209972 A209973 * A209975 A209976 A209977

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 16 2012

STATUS

approved

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Last modified January 29 14:07 EST 2020. Contains 331338 sequences. (Running on oeis4.)