OFFSET
1,2
FORMULA
EXAMPLE
First 7 rows:
1
2 1
3 2 2
4 3 4 4
5 4 6 8 8
6 5 8 12 16 16
7 6 10 16 24 32 32
MATHEMATICA
PROG
(PARI) T(n, k) = my(nb=0); forsubset(n, s, if (#s && (vecmax(s)-vecmin(s) == k), nb++)); nb; \\ Michel Marcus, Sep 26 2022
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Clark Kimberling, Sep 24 2022
STATUS
approved