The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A169855

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A169855

EKG sequence started at 12 instead of 2.
(history; published version)

#13 by Joerg Arndt at Thu Dec 02 10:13:35 EST 2021

STATUS

reviewed

approved

#12 by Michel Marcus at Thu Dec 02 08:35:58 EST 2021

STATUS

proposed

reviewed

#11 by Michael S. Branicky at Thu Dec 02 07:28:05 EST 2021

STATUS

editing

proposed

#10 by Michael S. Branicky at Thu Dec 02 07:22:12 EST 2021

PROG

(Python)

from math import gcd

def aupton(terms):

alst, aset = [12], {12}

for n in range(2, terms+1):

k = 2

while True:

while k in aset: k += 1

if gcd(alst[-1], k) != 1:

alst.append(k); aset.add(k); break

k += 1

return alst

print(aupton(73)) # Michael S. Branicky, Dec 02 2021

STATUS

approved

editing

#9 by N. J. A. Sloane at Sun Jan 24 22:23:40 EST 2016

STATUS

editing

approved

#8 by N. J. A. Sloane at Sun Jan 24 22:23:38 EST 2016

COMMENTS

A generalization of A064413.

STATUS

proposed

editing

#7 by Peter Kagey at Sun Jan 24 17:51:22 EST 2016

STATUS

editing

proposed

#6 by Peter Kagey at Sun Jan 24 17:51:18 EST 2016

COMMENTS

A generalization of A064413.

STATUS

proposed

editing

Discussion

Sun Jan 24

17:51

Peter Kagey: Per Joerg Arndt's comment. https://oeis.org/history?seq=A169841

#5 by Peter Kagey at Fri Jan 22 00:36:51 EST 2016

STATUS

editing

proposed

#4 by Peter Kagey at Fri Jan 22 00:36:40 EST 2016

COMMENTS

A generalization of A064413.

LINKS

Peter Kagey, <a href="/A169855/b169855.txt">Table of n, a(n) for n = 1..10000</a>

MAPLE

A generalization of A064413.

CROSSREFS

For other initial terms, see A064413, A169837, A169839, A169841, A169843,A169845, A169847, A169849, A169851, A169853.

STATUS

approved

editing