Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 4500 articles have referenced us, often saying "we would not have discovered this result without the OEIS".
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