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Revision History for A181844 (Bold, blue-underlined text is an addition; faded, red-underlined text is a deletion.)

Showing entries 1-10 | older changes
Sum over all partitions of n of the LCM of the parts.
(history; published version)
#31 by Alois P. Heinz at Wed Aug 14 17:42:07 EDT 2019
STATUS

editing

approved

#30 by Alois P. Heinz at Wed Aug 14 15:21:06 EDT 2019
CROSSREFS

Cf. A078392 (the same for GCD), A181843, A181842, A256067, A256553, A256554, A306956.

STATUS

approved

editing

#29 by OEIS Server at Mon Mar 18 10:20:00 EDT 2019
LINKS

Alois P. Heinz, <a href="/A181844/b181844_2.txt">Table of n, a(n) for n = 0..188</a> (terms n=1..80 from Vincenzo Librandi)

#28 by Alois P. Heinz at Mon Mar 18 10:20:00 EDT 2019
STATUS

editing

approved

Discussion
Mon Mar 18
10:20
OEIS Server: Installed new b-file as b181844.txt.  Old b-file is now b181844_2.txt.
#27 by Alois P. Heinz at Mon Mar 18 10:19:56 EDT 2019
MAPLE

# second Maple program:

b:= proc(n, i, r) option remember; `if`(n=0, r, `if`(i<1, 0,

b(n, i-1, r)+b(n-i, min(i, n-i), ilcm(i, r))))

end:

a:= n-> b(n$2, 1):

seq(a(n), n=0..42); # Alois P. Heinz, Mar 18 2019

#26 by Alois P. Heinz at Mon Mar 18 10:18:41 EDT 2019
NAME

Row sums Sum over all partitions of n of the LCM of A181842the parts.

COMMENTS

Old name was: Row sums of A181842.

EXTENSIONS

New name from Alois P. Heinz, Mar 18 2019

#25 by Alois P. Heinz at Mon Mar 18 10:16:37 EDT 2019
LINKS

Vincenzo Librandi and Alois P. Heinz, <a href="/A181844/b181844_2.txt">Table of n, a(n) for n = 0..100188</a> (terms n=1..80 from Vincenzo Librandi)

STATUS

approved

editing

#24 by Alois P. Heinz at Sun Mar 17 22:02:16 EDT 2019
STATUS

editing

approved

#23 by Alois P. Heinz at Sun Mar 17 21:58:15 EDT 2019
STATUS

approved

editing

#22 by Alois P. Heinz at Thu Apr 02 11:13:22 EDT 2015
STATUS

editing

approved