A081748 - OEIS

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A081748

a(n) = (A081746(n) - n)/4.

2

0, 1, 2, 3, 4, 3, 4, 5, 6, 7, 6, 7, 8, 9, 10, 9, 10, 9, 10, 11, 10, 11, 10, 11, 12, 13, 14, 13, 14, 15, 16, 17, 16, 17, 16, 17, 18, 17, 18, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 23, 24, 23, 24, 23, 22, 23, 22, 23, 22, 23, 22, 23, 22, 21, 22, 21, 22, 21, 22, 23, 24

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

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..71.

FORMULA

Periodic with period 648.

CROSSREFS

Cf. A081746, A081747.

Sequence in context: A341019 A360535 A255938 * A322290 A383644 A030323

Adjacent sequences: A081745 A081746 A081747 * A081749 A081750 A081751

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 08 2003

STATUS

approved