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A163648
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Primes p with a prime number of syllables in their name in American English.
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4
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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)
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OFFSET
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1,1
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COMMENTS
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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
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LINKS
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Table of n, a(n) for n=1..55.
Index to OEIS: sequences related to English words for n
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FORMULA
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{p in A000040 such that A075774(p) is in A000040}.
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EXAMPLE
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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.
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PROG
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(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
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CROSSREFS
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Cf. A000040, A075774, A164043.
Sequence in context: A078873 A020603 A283532 * A135776 A067831 A086998
Adjacent sequences: A163645 A163646 A163647 * A163649 A163650 A163651
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KEYWORD
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word,easy,nonn
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AUTHOR
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Jonathan Vos Post, Aug 02 2009
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EXTENSIONS
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Extended and edited by Charles R Greathouse IV, Nov 02 2009
Values double-checked by M. F. Hasler, Nov 03 2013
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STATUS
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approved
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