A248642 - OEIS

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A248642

Odious numbers (A000069) remaining odious if any digit is deleted (zeros allowed).

11, 14, 21, 22, 28, 41, 42, 44, 47, 74, 81, 82, 84, 87, 88, 131, 161, 164, 191, 193, 194, 211, 256, 261, 262, 321, 322, 328, 352, 355, 381, 382, 388, 419, 421, 422, 491, 494, 502, 522, 552, 555, 569, 611, 614, 641, 642, 644, 647, 704, 744, 749, 764, 769, 793

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

An analog of the idea Wilson-Dale: A034302, A051362.

LINKS

Peter J. C. Moses, Table of n, a(n) for n = 1..1000

EXAMPLE

161 is in the sequence, since the numbers 161,61,11,16 are odious.

MATHEMATICA

odiousQ:=OddQ[First[DigitCount[#, 2]]]&;

Select[Range[1000], odiousQ[#]&&Apply[And, Map[odiousQ[FromDigits[#]]&, Subsets[#, {Length[#]-1}]&[IntegerDigits[#]]]]&] (* Peter J. C. Moses, Oct 10 2014 *)

CROSSREFS

Cf. A000069, A248478, A248644, A248659.

Sequence in context: A343855 A077675 A266988 * A121297 A015848 A106389

Adjacent sequences: A248639 A248640 A248641 * A248643 A248644 A248645

KEYWORD

nonn,base

AUTHOR

Vladimir Shevelev, Oct 10 2014

EXTENSIONS

More terms from Peter J. C. Moses, Oct 10 2014

STATUS

approved