|
| |
|
|
A093987
|
|
a(1) = 1, a(2) = 2, a(n+1) = a(n)^(2n)/ a(n-1). Symmetrically a(n) = {a(n-1)*a(n+1)}^[1/{(n-1) +(n+1)}].
|
|
0
| | |
|
|
|
OFFSET
| 1,2
|
|
|
EXAMPLE
| a(5) =8388608^8/16 = 1.53249554e+54.
a(6) =~ 8.5173068734e+534.
|
|
|
MATHEMATICA
| a[1] = 1; a[2] = 2; a[n_] := a[n - 1]^(2n - 2)/a[n - 2]; Table[ a[n], {n, 6}] (from Robert G. Wilson v May 24 2004)
|
|
|
CROSSREFS
| Cf. A093985, A093986.
Sequence in context: A180962 A092798 A068916 * A114560 A108883 A199295
Adjacent sequences: A093984 A093985 A093986 * A093988 A093989 A093990
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 22 2004
|
|
|
EXTENSIONS
| Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), May 24 2004
|
| |
|
|
