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Numbers beginning with a vowel in Hindi.
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%I #18 Jul 15 2019 20:00:00

%S 1,8,18,19,21,28,29,31,38,39,41,48,49,51,58,59,61,68,69,71,78,79,80,

%T 81,88,91,98,100,101,102,103,104,105,106,107,108,109,110,111,112,113,

%U 114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130

%N Numbers beginning with a vowel in Hindi.

%C For 99 < n < 1000, n belongs to the list if (floor(n/100) mod 10) belongs to the list (i.e., is either 1 or 8).

%C For 10^(2k+1)-1 < n < 10^(2k+3), where k is a positive integer, n belongs to the list if (floor(n/(10^(2k+1))) mod 100) belongs to the list.

%H Author?, <a href="http://www.hindi.co/ginatee/numbers_saNkhyaaENn.html">Hindi Numbers</a>

%H <a href="/index/Na">Index entries for sequences related to names of numbers</a>

%Y Cf. A000852.

%K easy,nonn,word

%O 1,2

%A _Sangeet Paul_, May 30 2019