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A212201 Records in A212200. 3
1, 3, 15, 85, 255, 21845, 65535, 1431655765, 4294967295 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Cf. A212200, A212202, A212203, A212204, A051775.

Sequence in context: A067122 A202336 A093593 * A011900 A118342 A084209

Adjacent sequences:  A212198 A212199 A212200 * A212202 A212203 A212204

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, May 03 2012

EXTENSIONS

a(7)-a(9) from Alex Ryba, Jun 10 2012

STATUS

approved

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Last modified November 26 23:41 EST 2020. Contains 338670 sequences. (Running on oeis4.)