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Search: id:A164058
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| A164058 |
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Number of curves in n-th letter of capitalized English alphabet (A being 1st). |
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+0
2
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| 0, 2, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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"Curve" as was excluded from sums in A163828. Curves are classified as: circle as occurs in {O, Q}, semicircle as in {B (twice), C, D, G, J, P, R, U}, and other {S}. We do not consider "S" as two semicircles, nor make various approximations of curves as sequences of line segments (as in A002963). In conjunction with A163828, we may sum the number of curves and straight line segments in an English magiscule (capital) letter, and thus derive an integer total of the number of straight and curved segments in the spelled-out English name of any nonnegative integer.
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EXAMPLE
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a(2) = 2 because of the two semicircles in the 2nd letter, B. a(k) = 0 for k = {the letters occurring in A163670} = {A, E, F, H, I, K, L, M, N, T, V, W, X, Y, Z}.
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CROSSREFS
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Cf. A002963, A005589, A163670, A163828.
Sequence in context: A117200 A107015 A015374 this_sequence A092410 A100204 A073779
Adjacent sequences: A164055 A164056 A164057 this_sequence A164059 A164060 A164061
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KEYWORD
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fini,full,nonn,word,uned
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AUTHOR
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Jonathan Vos Post (jvospost3(AT)gmail.com), Aug 08 2009
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