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 A033549 Numbers n such that sum of digits of n-th prime equals sum of digits of n. 11
 32, 56, 88, 175, 176, 182, 212, 218, 227, 248, 293, 295, 323, 331, 338, 362, 377, 386, 394, 397, 398, 409, 439, 446, 457, 481, 499, 508, 563, 571, 595, 599, 635, 637, 655, 671, 728, 751, 752, 755, 761, 767, 779, 820, 821, 826, 827, 847, 848, 857, 869, 878 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A090431(a(n)) = 0, A007953(a(n)) = A007605(a(n)). REFERENCES Proposed by G. L. Honaker, Jr. LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 EXAMPLE 131 is the 32nd prime and sum of digits of both is 5. MATHEMATICA Select[Range[1000], Total[IntegerDigits[#]]==Total[IntegerDigits[ Prime[#]]]&] (* Harvey P. Dale, May 05 2011 *) PROG (Haskell) a033549 n = a033549_list !! (n-1) a033549_list = filter ((== 0) . a090431) [1..] -- Reinhard Zumkeller, Mar 16 2014 (PARI) is(n, p=prime(n))=sumdigits(n)==sumdigits(p) \\ Charles R Greathouse IV, Feb 07 2017 (Python) from sympy.ntheory.factor_ import digits from sympy import prime print [n for n in xrange(1, 1001) if sum(digits(n)[1:])==sum(digits(prime(n))[1:])] # Indranil Ghosh, Jun 27 2017 CROSSREFS Cf. A033548, A071600. Sequence in context: A118617 A259716 A033907 * A117478 A008434 A130447 Adjacent sequences:  A033546 A033547 A033548 * A033550 A033551 A033552 KEYWORD nonn,base,nice AUTHOR Calculated by Jud McCranie STATUS approved

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Last modified December 10 18:03 EST 2018. Contains 318049 sequences. (Running on oeis4.)