login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A216645 T(n,k)=Number of nondecreasing arrays of n 1..n integers with the sum of their k powers equal to sum(i^k,i=1..n) 7
1, 1, 1, 1, 1, 2, 1, 1, 1, 5, 1, 1, 1, 1, 12, 1, 1, 1, 1, 1, 32, 1, 1, 1, 1, 1, 3, 94, 1, 1, 1, 1, 1, 2, 8, 289, 1, 1, 1, 1, 1, 1, 2, 25, 910, 1, 1, 1, 1, 1, 1, 2, 6, 83, 2934, 1, 1, 1, 1, 1, 1, 1, 2, 12, 257, 9686, 1, 1, 1, 1, 1, 1, 1, 1, 5, 30, 788, 32540, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 76, 2491 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,6

COMMENTS

Table starts

.......1......1.....1....1..1..1.1

.......1......1.....1....1..1..1.1

.......2......1.....1....1..1..1.1

.......5......1.....1....1..1..1.1

......12......1.....1....1..1..1.1

......32......3.....2....1..1..1.1

......94......8.....2....2..1..1.1

.....289.....25.....6....2..1..1.1

.....910.....83....12....5..1..1.1

....2934....257....30...11..1..2.1

....9686....788....76...25..1..2.1

...32540...2491...224...51..2..2.1

..110780...7885...597..136..4..2.1

..381676..25099..1801..367..8..3.1

.1328980..80481..5469..886.21..3.1

.4669367.264505.16958.2507.45.14.1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..291

EXAMPLE

All solutions for n=8 k=4

..1....1

..3....2

..3....3

..5....4

..6....5

..6....6

..6....7

..8....8

CROSSREFS

Column 1 is A002838(n-1)

sum 0..n-1 instead of 1..n: A216635

Sequence in context: A295685 A141471 A127080 * A216635 A213945 A290771

Adjacent sequences:  A216642 A216643 A216644 * A216646 A216647 A216648

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Sep 11 2012

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 21 01:18 EDT 2019. Contains 321356 sequences. (Running on oeis4.)