A382222 Smallest k such that A073734(k) = n, where A073734 is the GCD of consecutive terms of the EKG sequence A064413.

2, 3, 5, 8, 10, 968, 14, 17, 149, 579, 20, 11068, 28, 2126, 2406, 3070, 33, 58836, 37, 2935, 7468, 20029, 43, 50835, 321, 1065, 2220, 60390, 57, 403831, 61, 20143, 29156, 13453, 32294, 18829, 67, 2117, 56683, 65867, 74, 10242, 81, 82455, 80410, 24112, 89, 868283, 41341, 36370

Offset: 1

Author

Scott R. Shannon, Mar 19 2025

Keywords

• nonn

Comments

a(630) > 1.045*10^9.

Examples

			a(6) = 968 as A064413(968) = 1014, A064413(967) = 1032, and GCD(1014,1032) = 6. No earlier pair of consecutive terms in A064413 has a GCD of 6.
		

Links

• Scott R. Shannon, Table of n, a(n) for n = 1..629

Crossrefs

Cf. A064413, A073734, A064955, A382271, A064740, A073735.

Formula

If n = prime(j), j>=2, then a(n) = A064955(j).