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A093181 Odd composites (including 1 in the count) where the number 3 mod 4 equals the number 1 mod 4. 2
26835, 26851, 26855, 26859, 26867, 26871, 26875, 26883, 26887, 26895, 26899, 26923, 616771, 616775, 616779, 616795, 616831, 616835, 616839, 616847, 616851, 616855, 616859, 616863, 616867, 616875, 616879, 616883, 616887, 616891, 617007 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This odd composite race seems analogous to the prime number race

LINKS

Table of n, a(n) for n=1..31.

FORMULA

Beginning with 1, run separate counts for odd composites 1 mod 4 and 3 mod 4. When the count is equal, record the number for 3 mod 4.

EXAMPLE

a(1)=26835 is the first odd composite 3 mod 4 where the count 5238 is the same for 26829 1 mod 4

CROSSREFS

Cf. A007350, A007351, A038691, A093180, A093182.

Sequence in context: A185774 A234158 A093180 * A235751 A235814 A199547

Adjacent sequences:  A093178 A093179 A093180 * A093182 A093183 A093184

KEYWORD

easy,nonn

AUTHOR

Enoch Haga, Mar 27 2004

STATUS

approved

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Last modified May 7 20:36 EDT 2021. Contains 343652 sequences. (Running on oeis4.)