OFFSET
0,3
COMMENTS
The next term has 212 digits. - Harvey P. Dale, Dec 05 2018
MATHEMATICA
RecurrenceTable[{a[0]==1, a[n]==a[n-1]^2 2^n-1}, a, {n, 9}] (* Harvey P. Dale, Dec 05 2018 *)
PROG
(BASIC)
20 A=1
25 print A
30 for I=1 to 20
40 A=(A^2)*2^I-1
50 print A
60 next
70 end
(PARI) lista(nn) = {my(v = 1); print1(v, ", "); for (n=1, nn, v = v^2*2^n-1; print1(v, ", "); ); } \\ Michel Marcus, Sep 28 2013
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Felice Russo, Aug 28 2002
EXTENSIONS
a(0)=1 prepended by Michel Marcus, Sep 28 2013
STATUS
approved