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 A178550 Primes with exactly one digit 1. 11
 13, 17, 19, 31, 41, 61, 71, 103, 107, 109, 127, 137, 139, 149, 157, 163, 167, 173, 179, 193, 197, 199, 241, 251, 271, 281, 313, 317, 331, 401, 419, 421, 431, 461, 491, 521, 541, 571, 601, 613, 617, 619, 631, 641, 661, 691, 701, 719, 751, 761, 821, 881, 919 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Daniel Starodubtsev, Table of n, a(n) for n = 1..10000 PROG (Python) from sympy import isprime print([i for i in range(1000) if str(i).count('1') == 1 and isprime(i)]) # Daniel Starodubtsev, Mar 29 2020 CROSSREFS Intersection of A043493 and A000040. Cf. A038618, A178551, A178552, A178553, A178554, A178555, A178556, A178557, A178558. Sequence in context: A180530 A059500 A104213 * A325934 A105896 A112741 Adjacent sequences: A178547 A178548 A178549 * A178551 A178552 A178553 KEYWORD nonn,base AUTHOR Lekraj Beedassy, May 29 2010 STATUS approved

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Last modified February 24 22:04 EST 2024. Contains 370307 sequences. (Running on oeis4.)