OFFSET
1,9
COMMENTS
Shifts left 5 places under the INVERT transform.
LINKS
J. Conrad, Table of n, a(n) for n = 1..3000
EXAMPLE
a(11) = a(1)*a(10) + a(2)*a(9) + a(3)*a(8) + a(4)*a(7) + a(5)*a(6) = 0*3 + 1*2 + 1*1 + 1*1 + 1*0 = 4.
PROG
(Python)
def A361313(l):
s = [0, 1, 1, 1, 1][:l]
for n in range(5, l):
s.append(sum([s[k] * s[n-k-1] for k in range(n-4)]))
return s
CROSSREFS
KEYWORD
nonn,eigen
AUTHOR
J. Conrad, Mar 08 2023
STATUS
approved