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%I #5 Nov 14 2016 10:35:59
%S 1,4,16,20,22,25,31,48,51,55,64,66,82,84,90,100,102,120,126,127,152,
%T 156,177,197,201,203,206,212,222,231,237,238,246,252,264,266,267,272,
%U 295,297,324,337,339,347,362,364,375,379,389,396,399,401,403,415,424,433,439,449,457,460,464,466,473,489,508,509,517,518,536,540,558,575,576,578
%N Positions of primes in A276573, the infinite trunk of least squares beanstalk.
%H Antti Karttunen, <a href="/A277887/b277887.txt">Table of n, a(n) for n = 1..4248</a>
%o (Scheme, with _Antti Karttunen_'s IntSeq-library)
%o (define A277887 (MATCHING-POS 1 1 (lambda (n) (= 1 (A010051 (A276573 n))))))
%Y Cf. A010051, A276573, A277487, A278167.
%Y Cf. A277888 (primes themselves).
%K nonn
%O 1,2
%A _Antti Karttunen_, Nov 13 2016
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