A068224 - OEIS

A068224

Bit-masks of A068222 shown in binary.

1, 11, 11011, 1101100011111, 1101100011011000001101111011011, 110110001101100000110110001101100000000001111111011111110001111111111111, 110110001101100000110110001101100000000001101100011011000001101100011011000000000000110110001101111011110110111101111011000111111100011011111111101111111011

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

The width of central gap of the term a(n) (n>1)= 0, 1, 3, 5, 10, 12, ... is given by A068059(n-1)-1. Cf. A068223, A068739.

Sequence in context: A138713 A267923 A068223 * A066945 A267359 A267940

Adjacent sequences: A068221 A068222 A068223 * A068225 A068226 A068227

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 26 2002

STATUS

approved