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A030623 Powers of 2 grouped in pairs of 2 digits (version 2). 3
12, 48, 16, 32, 64, 12, 82, 56, 51, 21, 2, 42, 4, 84, 9, 68, 19, 21, 63, 84, 32, 76, 86, 55, 36, 13, 10, 72, 26, 21, 44, 52, 42, 88, 10, 48, 57, 62, 9, 71, 52, 41, 94, 30, 48, 38, 86, 8, 16, 77, 72, 16, 33, 55, 44, 32, 67, 10, 88, 64, 13, 42, 17, 72, 82, 68, 43, 54, 56, 53, 68 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MAPLE

sq:=[]: for n from 0 to 100 do s:=convert(2^n, base, 10): l:=nops(s): sq:=[op(sq), seq(s[l-i], i=0..l-1)] od: seq(sq[2*i-1]*10+sq[2*i], i=1..100); (C. Ronaldo)

CROSSREFS

Cf. A030622, A030624.

Sequence in context: A244803 A024183 A051673 * A030624 A002612 A124351

Adjacent sequences:  A030620 A030621 A030622 * A030624 A030625 A030626

KEYWORD

nonn,base,easy

AUTHOR

Alexei Kozlowski (bros(AT)spf.minsk.by)

EXTENSIONS

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005

STATUS

approved

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Last modified October 22 02:31 EDT 2014. Contains 248381 sequences.