OFFSET
1,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..100
EXAMPLE
a(10) = 11 sets: {10}, {1, 2, 4, 10}, {1, 2, 8, 10}, {2, 4, 7, 10}, {5, 6, 8, 10}, {1, 5, 7, 9, 10}, {3, 4, 6, 8, 10}, {1, 3, 4, 7, 9, 10}, {1, 2, 3, 5, 6, 9, 10}, {1, 2, 5, 7, 8, 9, 10} and {1, 2, 3, 4, 7, 8, 9, 10}.
PROG
(Python)
a = lambda n: b(n-1, n*n, 1) # for b() in A336815
print([a(n) for n in range(1, 30)]) # Michael S. Branicky, Dec 10 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Dec 09 2020
EXTENSIONS
a(24)-a(40) from Michael S. Branicky, Dec 09 2020
STATUS
approved