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A068961 Powers of 2 with exactly two 2's in their decimal digits. 0
262144, 524288, 2097152, 134217728, 4294967296, 35184372088832, 9007199254740992, 72057594037927936, 288230376151711744, 576460752303423488, 1152921504606846976, 36893488147419103232 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Presumably finite, with last term a(28) = 2^186. If there are any further terms they are greater than 2^1000000.

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Sequence in context: A018867 A057445 A069279 * A224806 A224803 A223336

Adjacent sequences:  A068958 A068959 A068960 * A068962 A068963 A068964

KEYWORD

easy,nonn,base,fini

AUTHOR

Harvey P. Dale, Mar 31 2002

EXTENSIONS

Comment and keywords from Charles R Greathouse IV, Nov 19 2010.

STATUS

approved

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Last modified May 27 16:48 EDT 2022. Contains 354110 sequences. (Running on oeis4.)