cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

A344561 Primes which divide a term of A345765. Ordered by their first appearance in the ordered prime factorizations of A345765.

Original entry on oeis.org

2, 3, 7, 43, 77659, 21108889701347407, 5474088843701260097485589623, 5474159333397668466502066699, 560801733392464138933367984275204243901675413919952459680492377203567758118343740900139639, 1872705977981591020313336244505607714217889071693212286852076373413830346691635632706249598340007
Offset: 1

Views

Author

Peter Luschny, Jul 04 2021

Keywords

Crossrefs

Cf. A345765, A124240, A344562 (cumulative product).

A345975 a(n) = A345765(n)/1806.

Original entry on oeis.org

1, 7, 49, 3339337, 143591491, 6174434113, 259329572083, 265500666859, 11151171599569, 11416528674937, 479500378781467, 490910733022291, 20139275238393697, 20618516287603081, 21109161519958513, 865988835250928971, 886596200366932483, 37237519915789945753, 38123636615778096769
Offset: 1

Views

Author

Hugo Pfoertner, Jul 04 2021

Keywords

A344562 The cumulative product of A344561.

Original entry on oeis.org

2, 6, 42, 1806, 140252154, 2960567249162390534064678, 16206408149667170795492527169244544183769001647636394, 88716460433352581330235191998429699486728884944960207211236791363505969487843406
Offset: 1

Views

Author

Peter Luschny, Jul 05 2021

Keywords

Comments

The terms are squarefree.
It seems that this sequence is {2, 6, 42} union {squarefree kernels of A345765} in natural order.

Crossrefs

Cf. A344561, A345765, A124240.
Showing 1-3 of 3 results.

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