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A327755 Odd integers n such that binomial(n-1,(n-1)/2) is coprime to n. 1
1, 3, 5, 7, 9, 11, 13, 17, 19, 21, 23, 25, 27, 29, 31, 37, 41, 43, 47, 49, 53, 55, 57, 59, 61, 65, 67, 71, 73, 75, 79, 81, 83, 89, 97, 101, 103, 107, 109, 113, 115, 119, 121, 125, 127, 131, 133, 137, 139, 149, 151, 157, 163, 167, 169, 171, 173, 179, 181, 183, 191, 193, 197, 199, 203, 211, 217, 219, 223, 227, 229, 233, 237, 239, 241, 243, 251, 253, 257, 263, 265, 269, 271, 275, 277, 281, 283, 289, 293, 301, 305, 307, 311, 313, 317, 319 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Integer n is in this sequence if for every prime p|n, the base-p representation of (n-1)/2 is composed of digits not exceeding (p-1)/2.

Contains every prime. Composite terms are listed in A327756.

LINKS

Table of n, a(n) for n=1..96.

CROSSREFS

Cf. A327756.

Sequence in context: A265166 A336620 A318978 * A322903 A349174 A349177

Adjacent sequences:  A327752 A327753 A327754 * A327756 A327757 A327758

KEYWORD

nonn

AUTHOR

Max Alekseyev, Sep 24 2019

STATUS

approved

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Last modified August 10 03:18 EDT 2022. Contains 356029 sequences. (Running on oeis4.)