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

Offset: 1

Author

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

Keywords

• nonn
• base
• easy

Comments

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

Crossrefs

Cf. A030622, A030623.

Programs

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

Extensions

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