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A271552 a(0) = 1, a(n)= a(n-1)[n-1]a(n-1). 1
1, 2, 4, 16, 18446744073709551616 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
a[n]b is the square-bracket notation for n-th hyperoperation of a times b see A054871 for more info.
LINKS
EXAMPLE
a(0) = 1;
a(1) = a(0)[0]a(0) = 1’= 2;
a(2) = a(1)[1]a(1) = 2+2 = 4;
a(3) = a(2)[2]a(2) = 4*4 = 16;
a(4) = a(3)[3]a(3) = 16^16 = 18446744073709551616.
CROSSREFS
Cf. A271551.
Sequence in context: A369378 A014221 A249760 * A105510 A155951 A208132
KEYWORD
nonn
AUTHOR
Natan Arie Consigli, Apr 09 2016
STATUS
approved

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Last modified May 22 13:22 EDT 2024. Contains 372755 sequences. (Running on oeis4.)