The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A070165

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A070165

Irregular triangle read by rows giving trajectory of n in Collatz problem.
(history; published version)

#93 by Michael De Vlieger at Thu Feb 17 20:34:19 EST 2022

STATUS

proposed

approved

#92 by Kevin Ryde at Thu Feb 17 18:40:04 EST 2022

STATUS

editing

proposed

#91 by Kevin Ryde at Thu Feb 17 18:21:37 EST 2022

CROSSREFS

Cf. A280408 (primes), added by Matthew Campbell, Jan 02 2017

Cf. A280408 (primes).

Discussion

Thu Feb 17

18:22

Kevin Ryde: (Crossrefs being a free for all.)

#90 by Kevin Ryde at Thu Feb 17 18:20:30 EST 2022

CROSSREFS

Cf. A220237 (sorted rows), A347270 (array), A192719.

Cf. A070168 (Terras modified Collatz maptriangle), A256598 (reduced triangle).

#89 by Kevin Ryde at Thu Feb 17 18:07:35 EST 2022

CROSSREFS

Cf. A006370 (step), A008908 (row lengths), A033493 (row sums).

Cf. A006370, A033493 (row sums).

#88 by Kevin Ryde at Thu Feb 17 18:04:28 EST 2022

CROSSREFS

Cf. A006667A008908 (row lengths).

Discussion

Thu Feb 17

18:05

Kevin Ryde: Think row widths A008908 may be intended rather than triplings.

#87 by Kevin Ryde at Thu Feb 17 18:01:32 EST 2022

CROSSREFS

Cf. A254312, A254311, A257480 (and crossrefs therein).

STATUS

approved

editing

Discussion

Thu Feb 17

18:02

Kevin Ryde: It's A254311 which is the friend of A257480 (some multi-step Collatz-ish).

#86 by Michael De Vlieger at Fri Sep 10 18:00:22 EDT 2021

STATUS

reviewed

approved

#85 by Omar E. Pol at Fri Sep 10 18:00:12 EDT 2021

STATUS

proposed

reviewed

#84 by Michel Marcus at Fri Sep 10 13:08:07 EDT 2021

STATUS

editing

proposed