cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A345742 Nonnegative integers ordered by lowest number value per syllable (in American English) and then, in case of ties, numerically.

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%I A345742 #41 Jul 20 2021 20:58:24
%S A345742 0,1,2,3,7,11,4,5,17,6,13,27,14,21,22,15,23,8,16,24,25,26,9,18,37,28,
%T A345742 19,29,10,20,31,32,33,34,35,47,12,36,38,39,41,42,57,43,44,30,45,46,77,
%U A345742 48,49,67,51,52,53,71,54,72,127,73,55,74,111,56,75,76,58
%N A345742 Nonnegative integers ordered by lowest number value per syllable (in American English) and then, in case of ties, numerically.
%C A345742 Uses the convention of omitting a trailing 'and', so 101 is 'one hundred one' rather than 'one hundred and one.'
%e A345742 17 has a value per syllable of 17/3 (sev-en-teen), which is more than 5's value of 5 but less than 6's value of 6.
%e A345742 8, 16, and 24 all have a value per syllable of 8, so they are ordered from smallest to largest in the list.
%e A345742 From _Jon E. Schoenfield_, Jun 27 2021: (Start)
%e A345742 Table begins:
%e A345742                           syllable count
%e A345742    n  a(n)  name          A075774(a(n))   a(n)/A075774(a(n))
%e A345742   --  ----  ------------  --------------  ------------------
%e A345742    1    0   zero                 2         0/2 = 0
%e A345742    2    1   one                  1         1/1 = 1
%e A345742    3    2   two                  1         2/1 = 2
%e A345742    4    3   three                1         3/1 = 3
%e A345742    5    7   seven                2         7/2 = 3.5
%e A345742    6   11   eleven               3        11/3 = 3.666666...
%e A345742    7    4   four                 1         4/1 = 4
%e A345742    8    5   five                 1         5/1 = 5
%e A345742    9   17   seventeen            3        17/3 = 5.666666...
%e A345742   10    6   six                  1         6/1 = 6
%e A345742   11   13   thirteen             2        13/2 = 6.5
%e A345742   12   27   twenty-seven         4        27/4 = 6.75
%e A345742   13   14   fourteen             2        14/2 = 7
%e A345742   14   21   twenty-one           3        21/3 = 7
%e A345742   15   22   twenty-two           3        22/3 = 7.333333...
%e A345742 (End)
%o A345742 (PARI) \\ issue: nn must be bigger than the last desired term
%o A345742 cmpx(x, y) = my(fx = x/A075774(x), fy = y/A075774(y)); if (fx==fy, sign(x-y), sign(fx-fy));
%o A345742 lista(nn) = concat(0, Vec(vecsort([1..nn], cmpx, 1))); \\ _Michel Marcus_, Jun 27 2021
%o A345742 (Python)
%o A345742 def aseq(N): return sorted(range(10*N), key=lambda x: (x/A075774(x), x))[:N]
%o A345742 print(aseq(67)) # _Michael S. Branicky_, Jun 27 2021
%Y A345742 Cf. A075774.
%K A345742 nonn,word
%O A345742 1,3
%A A345742 _Jack Zilinskas_, Jun 26 2021