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Index of record values in A247190.
2

%I #6 Dec 18 2014 02:15:35

%S 3,4,6,12,14,22,25,41,44,47,76,116,151,179,375,615,617,670,744,750,

%T 1118,1160,1358,1471,1541,2693,2906,3658,3878,4132,4281,5719,5907,

%U 7136,12346,12792,14816,14991,19215,23004,24892,26778,28483,41558,44031,48858,55934

%N Index of record values in A247190.

%C A247190(A250985(n)) = A250984(n).

%H Chai Wah Wu, <a href="/A250985/b250985.txt">Table of n, a(n) for n = 1..97</a>

%o (Python)

%o from sympy import prime

%o def A247190(n):

%o ....p, f, fv = prime(n), 1, {}

%o ....for i in range(2,p):

%o ........f = (f*i) % p

%o ........if f in fv:

%o ............return fv[f]

%o ........else:

%o ............fv[f] = i

%o ....return 0

%o A250985_list, m = [], -1

%o for i in range(3,10**6):

%o ....v = A247190(i)

%o ....if v > m:

%o ........A250985_list.append(i)

%o ........m = v

%Y Cf. A247190, A250984.

%K nonn

%O 1,1

%A _Chai Wah Wu_, Dec 16 2014