A093181 Odd composites (including 1 in the count) where the number 3 mod 4 equals the number 1 mod 4.

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

Offset: 1

Author

Enoch Haga, Mar 27 2004

Keywords

• easy
• nonn

Comments

This odd composite race seems analogous to the prime number race

Examples

			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.

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.