OFFSET
0,8
LINKS
Pontus von Brömssen, Plot of T(n,7) for 0 <= n <= 200
FORMULA
T(n,m) = A353433(n,m) if m is prime.
T(n,1) = 0 for n >= 1.
T(n,2) = 0 for n >= 2.
T(n,3) = 2 for n >= 1.
T(n,4) = 6 for n >= 4.
T(n,5) = 48 for n >= 8.
It appears that T(n,7) = T(n+42,7) for n >= 56. (See linked plot.)
EXAMPLE
Array begins:
n\m| 1 2 3 4 5 6 7 8 9 10
---+-------------------------------------------------
0 | 1 1 1 1 1 1 1 1 1 1
1 | 0 1 2 3 4 5 6 7 8 9
2 | 0 0 2 6 12 20 30 42 56 72
3 | 0 0 2 8 28 64 126 216 344 512
4 | 0 0 2 6 48 164 444 954 1850 3240
5 | 0 0 2 6 60 336 1350 3630 8732 18240
6 | 0 0 2 6 60 552 3582 11898 36290 90624
7 | 0 0 2 6 52 772 8550 33862 133628 398048
8 | 0 0 2 6 48 1054 17364 83946 437666 1545468
9 | 0 0 2 6 48 1614 30126 182134 1278314 5300824
10 | 0 0 2 6 48 2740 44922 346638 3321680 16079024
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Pontus von Brömssen, Apr 21 2022
STATUS
approved