The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A185698 Final prime adjoined in the smallest term of A019518 divisible by 67^n. 1
 37, 37, 14123267, 47321411, 5664619381 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Associated with A019518(i) at i = 12, 12, 917579, 2849864, ... LINKS Table of n, a(n) for n=1..5. EXAMPLE 23571113171923293137 is divisible by 67^2. PROG (Python) from sympy import nextprime def A185698(n): p, k, m = 2, 67**n, 10 q, m2 = p % k, m % k while True: p = nextprime(p) while p >= m: m *= 10 m2 = m % k q = (q*m2 + p) % k if q == 0: return p # Chai Wah Wu, May 01 2020 CROSSREFS Cf. A019518, A185656, A185659, A185662, A185665, A185671, A185677. Sequence in context: A165858 A217544 A190839 * A043611 A296871 A346383 Adjacent sequences: A185695 A185696 A185697 * A185699 A185700 A185701 KEYWORD nonn,base,more AUTHOR James G. Merickel, Feb 05 2011 EXTENSIONS a(5) from Chai Wah Wu, May 01 2020 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 29 06:17 EST 2023. Contains 367422 sequences. (Running on oeis4.)