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 A160659 Numbers that have an "r" in the middle of their names. 3
 3, 40, 103, 107, 108, 140, 150, 160, 203, 207, 208, 240, 250, 260, 315, 316, 370, 411, 412, 420, 430, 480, 490, 511, 512, 520, 530, 580, 590, 603, 607, 608, 640, 650, 660, 715, 716, 770, 815, 816, 870, 911, 912, 920, 930, 980, 990, 1304, 1305, 1309, 1415 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..51. EXAMPLE 3 and 40 are terms since 3 = thRee, and 40 = foRty. MATHEMATICA ok[n_] := Block[{s = StringReplace[IntegerName[n, "Words"], ", " | " " | "\[Hyphen]" -> ""], m}, m = StringLength[s]; OddQ[m] && (m = (m + 1)/2; StringTake[s, {m, m}] == "r")]; Select[ Range[5000], ok] (* Giovanni Resta, May 01 2017 *) CROSSREFS Cf. A160658, A160660, A160661, A160662. Sequence in context: A262036 A041347 A326608 * A197247 A065815 A283115 Adjacent sequences: A160656 A160657 A160658 * A160660 A160661 A160662 KEYWORD nonn,word,less AUTHOR Claudio Meller, May 22 2009 EXTENSIONS a(48)-a(51) from Giovanni Resta, May 01 2017 STATUS approved

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Last modified September 23 17:42 EDT 2023. Contains 365554 sequences. (Running on oeis4.)