A193947 Integers n such that for all i > n the largest prime factor of i(i+1)(i+2)(i+3)(i+4)(i+5) exceeds the largest prime factor of n(n+1)(n+2)(n+3)(n+4)(n+5).

1, 5, 7, 11, 13, 17, 23, 25, 31, 35, 285, 340, 528, 1271, 3476, 4897, 7564, 11659, 16683, 18421, 28032, 44250, 52323, 61100, 99381, 3294850, 5529832, 13423043, 149035259, 255792095, 528338092, 2020271859, 18069513341, 74079238792

Offset

1,2

Comments

Heuristics show that these terms are valid, but a strict proof is yet to be done.

Links

Andrey V. Kulsha, Table of n, a(n) for n = 1..36

Crossrefs

Cf. A193946, A193948.

Sequence in context: A136144 A262084 A086304 * A120222 A054794 A104860

Adjacent sequences: A193944 A193945 A193946 * A193948 A193949 A193950

Keyword

nonn

Author

Andrey V. Kulsha, Aug 10 2011

Status

approved