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 A163648 Primes p with a prime number of syllables in their name in American English. 4
 7, 11, 13, 17, 19, 23, 29, 31, 41, 43, 53, 59, 61, 83, 89, 107, 113, 127, 137, 157, 167, 173, 179, 197, 227, 257, 271, 307, 313, 337, 347, 367, 373, 379, 397, 419, 457, 467, 479, 487, 547, 557, 571, 587, 607, 613, 619, 647, 673, 701, 709, 733, 739, 743, 751 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The word "and" is excluded, 101 is "one hundred one" rather than "one hundred and one." See A231073 and A231075 for the analogs counting words resp. letters. - M. F. Hasler, Nov 03 2013 LINKS Table of n, a(n) for n=1..55. Index to OEIS: sequences related to English words for n FORMULA {p in A000040 such that A075774(p) is in A000040}. EXAMPLE a(1) = 7, which has a prime number, 2, of syllables sev-en. a(2) = 11, which has a prime number, 3, of syllables e-lev-en. PROG (PARI) forprime(p=1, 900, isprime(A075774(p))&&print1(p", ")) \\ - M. F. Hasler, Nov 03 2013 (PARI) is(p)=isprime(A075774(p))&&isprime(p) \\ - M. F. Hasler, Nov 03 2013 CROSSREFS Cf. A000040, A075774, A164043. Sequence in context: A078873 A020603 A283532 * A135776 A067831 A086998 Adjacent sequences: A163645 A163646 A163647 * A163649 A163650 A163651 KEYWORD word,easy,nonn AUTHOR Jonathan Vos Post, Aug 02 2009 EXTENSIONS Extended and edited by Charles R Greathouse IV, Nov 02 2009 Values double-checked by M. F. Hasler, Nov 03 2013 STATUS approved

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Last modified November 28 09:27 EST 2023. Contains 367412 sequences. (Running on oeis4.)