A365191 The weak Schur numbers for 3-coloring.

24, 94, 259

Offset

2,1

Comments

a(5) >= 593, a(6) >= 1146, a(7) >= 2005 (see Table 6 at p. 8 in Ahmed et al.).

Links

Table of n, a(n) for n=2..4.

T. Ahmed, L. Boza, M. P. Revuelta, and M. I. Sanz, Exact values and lower bounds on the n-color weak Schur numbers for n=2,3. Ramanujan J (2023). See Table 6 at p. 8 and Sections 4.3 and 4.4 at pp. 13-16.

Crossrefs

Cf. A030126, A045652, A072842, A118771, A365190 (similar for 2-coloring).

Sequence in context: A179962 A076799 A297540 * A353326 A055671 A090214

Adjacent sequences: A365188 A365189 A365190 * A365192 A365193 A365194

Keyword

nonn,bref,hard,more

Author

Stefano Spezia, Aug 25 2023

Status

approved