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 A318383 The 10-adic integer a_4 = ...8996619787545743874 satisfying a_4^9 + 1 = a_5, a_5^9 + 1 = a_6, ... , a_2^9 + 1 = a_3 and a_3^9 + 1 = a_4. 10

%I

%S 4,7,8,3,4,7,5,4,5,7,8,7,9,1,6,6,9,9,8,9,9,5,0,9,8,0,6,8,4,9,0,4,5,5,

%T 7,1,3,0,9,1,7,2,2,0,0,1,6,2,2,2,6,1,2,2,3,9,9,2,5,9,2,9,1,1,6,0,8,1,

%U 0,4,2,8,0,8,4,0,9,4,3,4,4,2,3,0,6,9,0,5,0,4,6

%N The 10-adic integer a_4 = ...8996619787545743874 satisfying a_4^9 + 1 = a_5, a_5^9 + 1 = a_6, ... , a_2^9 + 1 = a_3 and a_3^9 + 1 = a_4.

%H Seiichi Manyama, <a href="/A318383/b318383.txt">Table of n, a(n) for n = 0..5000</a>

%e 8996619787545743874^9 + 1 == 3747888971752538625 (mod 10^19),

%e 3747888971752538625^9 + 1 == 1601963043212890626 (mod 10^19),

%e 1601963043212890626^9 + 1 == 5448818206787109377 (mod 10^19),

%e 5448818206787109377^9 + 1 == 6396884918212891138 (mod 10^19),

%e 6396884918212891138^9 + 1 == 5099734869332853249 (mod 10^19),

%e 5099734869332853249^9 + 1 == 7644773889965429250 (mod 10^19),

%e 7644773889965429250^9 + 1 == 7705078125000000001 (mod 10^19),

%e 7705078125000000001^9 + 1 == 9345703125000000002 (mod 10^19),

%e 9345703125000000002^9 + 1 == 2500000000000000513 (mod 10^19),

%e 2500000000000000513^9 + 1 == 8996619787545743874 (mod 10^19).

%Y Cf. A318379 (a_0), A318380 (a_1), A318381 (a_2), A318382 (a_3), this sequence (a_4), A318384 (a_5), A318385 (a_6), A318386 (a_7), A318409 (a_8), A318410 (a_9).

%K nonn,base

%O 0,1

%A _Seiichi Manyama_, Aug 25 2018

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Last modified May 16 04:53 EDT 2021. Contains 343937 sequences. (Running on oeis4.)