Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
0,1
Suggestion from Rickey Bowers Jr, (math(AT)bitRAKE.com), May 18 2006:
a(0) = 5,
a(1) = 2 * prime(5),
a(2) = (prime(5))^2,
a(3) = 2^4 * prime(prime(5)),
a(4) = (prime(prime(5)))^(2^4),
...
a(2n-1) = (2^(n^2)) * prime^n(a(0)),
a(2n) = prime^n(a(0))^(2^(n^2)).
Table of n, a(n) for n=0..3.
C. Rivera, Puzzle 38
Sequence in context: A020003 A131460 A062794 * A159596 A020077 A203265
Adjacent sequences: A036232 A036233 A036234 * A036236 A036237 A036238
nonn,unkn
Anon
approved