OFFSET
1,3
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..1350
David J. Hemmer and Karlee J. Westrem, Palindrome Partitions and the Calkin-Wilf Tree, arXiv:2402.02250 [math.CO], 2024. See Definition 5.1 p. 8.
EXAMPLE
Table starts
1 1 1 1 1 1 1 1 1 1 1 1 1
2 3 4 5 6 7 8 9 10 11 12 13 14
2 5 8 13 18 25 32 41 50 61 72 85 98
3 8 18 33 55 86 126 177 241 318 410 519 645
3 12 32 73 141 252 414 649 967 1394 1944 2649 3523
4 18 58 151 338 676 1242 2137 3486 5444 8196 11963 17002
4 24 94 289 734 1656 3370 6375 11322 19138 30982 48417 73316
5 33 151 526 1514 3788 8512 17575 33885 61731 107233 178870 288100
5 43 227 910 2934 8150 20094 45207 94257 184717 343363 610358 1043534
6 55 338 1514 5448 16660 44916 109583 246448 517971 1028172 1943488 3521260
Some solutions for n=5:
-2 -4 -4 -4 -4 -1 -4 -3 -4 -3 -1 -4 -3 -3 -2 -4
-2 0 0 -1 -2 0 -2 -2 -1 -3 -1 -4 0 -2 0 -3
0 0 0 0 -1 0 1 -1 1 0 0 1 0 1 0 -1
0 1 2 2 3 0 2 3 2 3 0 3 0 1 1 4
4 3 2 3 4 1 3 3 2 3 2 4 3 3 1 4
PROG
(Python)
from sympy.utilities.iterables import partitions
def A183917_T(n, k): return sum(1 for p in partitions(k*n, m=n, k=k<<1)) # Chai Wah Wu, Aug 27 2024
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 07 2011
STATUS
approved