A030624 - OEIS

A030624

Powers of 2 grouped in pairs of 2 digits (version 3).

12, 48, 16, 32, 64, 12, 82, 56, 51, 21, 24, 20, 48, 40, 96, 81, 92, 16, 38, 43, 27, 68, 65, 53, 61, 31, 72, 26, 21, 44, 52, 42, 88, 10, 48, 57, 62, 97, 15, 24, 19, 43, 48, 38, 86, 81, 67, 77, 21, 63, 35, 54, 43, 26, 71, 88, 64, 13, 42, 17, 72, 82, 68, 43, 54, 56, 53, 68, 70

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

OFFSET

1,1

COMMENTS

Initial zeros not permitted, i.e., each term must be greater than 9 and less than 100. - Harvey P. Dale, Jul 18 2011

LINKS

Table of n, a(n) for n=1..69.

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: i:=1: while(i<150) do j:=0: while(sq[i+j]=0) do j:=j+1 od: printf("%d, ", 10*sq[i+j]+sq[i+j+1]): i:=i+j+2 od: # C. Ronaldo

CROSSREFS

Cf. A030622, A030623.

Sequence in context: A024183 A051673 A030623 * A002612 A124351 A335101

Adjacent sequences: A030621 A030622 A030623 * A030625 A030626 A030627

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