A273757 Least prime factor of A272935(n).

7, 13, 31, 37, 31, 73, 79, 103, 103, 109, 103, 193, 139, 181, 211, 193, 331, 373, 349, 421, 541, 421, 439, 601, 883, 613, 673, 769, 883, 631, 1153, 787, 739, 733, 1063, 1033, 1291, 1279, 853, 1009, 1801, 1231, 1951, 1153, 1531, 1453, 997, 1693

Offset: 1

Author

Altug Alkan, May 29 2016

Keywords

• nonn

Examples

			a(1) = 7 because A272935(1) = 1729 and 1729 = 7*13*19.
		

Crossrefs

Cf. A020639, A272935.