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 A260315 Decimal expansion of the generating constant c of A139244. 1
 1, 9, 6, 6, 8, 9, 1, 7, 6, 1, 7, 9, 0, 1, 7, 6, 3, 6, 5, 3, 3, 3, 5, 0, 5, 7, 2, 0, 2, 2, 6, 6, 9, 8, 2, 7, 6, 1, 3, 2, 2, 1, 2, 1, 1, 8, 6, 8, 6, 3, 3, 5, 3, 4, 2, 2, 0, 1, 8, 5, 8, 2, 8, 8, 3, 1, 2, 6, 2, 5, 6, 4, 4, 2 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS A139244(n-1) = ceiling(c^(2^n)). The digit 4 appears for the first time only at position n=53, making it the last one to appear in the sequence. LINKS A. V. Aho and N. J. A. Sloane, Some doubly exponential sequences, The Fibonacci Quarterly, 11 (1973), 429-437. EXAMPLE 1.96689176179017636533350572... . CROSSREFS Cf. A139244. Sequence in context: A309822 A195365 A092513 * A242713 A155129 A254980 Adjacent sequences:  A260312 A260313 A260314 * A260316 A260317 A260318 KEYWORD nonn,cons AUTHOR Chayim Lowen, Jul 22 2015 STATUS approved

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Last modified August 3 00:25 EDT 2021. Contains 346429 sequences. (Running on oeis4.)