The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A212479

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A212479

Decimal expansion of the absolute value of infinite power tower of i.
(history; published version)

#26 by Michael De Vlieger at Fri May 12 09:08:57 EDT 2023

STATUS

reviewed

approved

#25 by Joerg Arndt at Fri May 12 03:37:47 EDT 2023

STATUS

proposed

reviewed

#24 by Michel Marcus at Fri May 12 03:24:18 EDT 2023

STATUS

editing

proposed

#23 by Michel Marcus at Fri May 12 03:24:10 EDT 2023

PROG

(PARI) my(z="I"); for (i=1, 1000, z = concat(z, "^I")); z = eval(z); sqrt(norml2([real(z), imag(z)])) \\ Michel Marcus, May 12 2023

STATUS

approved

editing

#22 by Michel Marcus at Fri May 12 03:22:06 EDT 2023

STATUS

reviewed

approved

#21 by Jon E. Schoenfield at Fri May 12 01:36:30 EDT 2023

STATUS

proposed

reviewed

#20 by Joerg Arndt at Thu May 11 23:43:50 EDT 2023

STATUS

editing

proposed

#19 by Joerg Arndt at Thu May 11 23:43:47 EDT 2023

PROG

(PARI) \\ start with I^(0.4+0.4*I) and iterate (%+I^%)/2. It converges pretty rapidly to z.

STATUS

proposed

editing

#18 by Robert C. Lyons at Thu May 11 20:05:10 EDT 2023

STATUS

editing

proposed

#17 by Robert C. Lyons at Thu May 11 20:05:08 EDT 2023

PROG

(PARI/GP: ) \\ start with I^(0.4+0.4*I) and iterate (%+I^%)/2. It converges pretty rapidly to z.

STATUS

approved

editing