login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A321750 Irregular triangle read by rows where T(H(u),H(v)) is the coefficient of m(v) in p(u), where H is Heinz number, m is monomial symmetric functions, and p is power sum symmetric functions. 9
1, 1, 1, 0, 1, 2, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 3, 6, 1, 2, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 6, 4, 12, 24, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
COMMENTS
Row n has length A000041(A056239(n)).
The Heinz number of an integer partition (y_1, ..., y_k) is prime(y_1) * ... * prime(y_k).
LINKS
EXAMPLE
Triangle begins:
1
1
1 0
1 2
1 0 0
1 1 0
1 0 0 0 0
1 3 6
1 2 0 0 0
1 0 1 0 0
1 0 0 0 0 0 0
1 2 2 2 0
1 0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 0 0
1 0 1 0 0 0 0
1 6 4 12 24
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 2 2 0 0 0
For example, row 18 gives: p(221) = m(5) + 2m(32) + m(41) + 2m(221).
CROSSREFS
Row sums are A321751.
Sequence in context: A355320 A328556 A321888 * A345374 A056929 A304096
KEYWORD
nonn,tabf
AUTHOR
Gus Wiseman, Nov 20 2018
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 15:48 EDT 2024. Contains 371780 sequences. (Running on oeis4.)