A309230 Positions of records in A033178.

2, 5, 13, 25, 37, 41, 61, 85, 113, 181, 361, 421, 433, 613, 793, 1009, 1121, 1261, 2053, 2161, 3421, 4001, 5441, 6481, 7141, 7561, 8033, 9361

Offset: 1

Author

Onno M. Cain, Jul 16 2019

Keywords

• nonn
• more

Comments

Terms appear to have relatively few prime factors compared to their neighbors. a(28)=9361=11*23*37 is the first term with 3 factors.

Links

• Onno M. Cain, Bioperational Multisets in Various Semi-rings, arXiv:1908.03235 [math.RA], 2019.

Crossrefs

Cf. A033178, A033179, A104173.