OFFSET
0,2
COMMENTS
a(n) and A000217(n) have the same parity.
LINKS
Jianing Song, Table of n, a(n) for n = 0..10000
Index entries for linear recurrences with constant coefficients, signature (9,-36,84,-126,126,-84,36,-9,1).
PROG
(PARI) a(n) = ((2*n+1)^8 - 1)/32
(Python)
def A359498(n): return ((n<<1)+1)**8-1>>5 # Chai Wah Wu, Jan 15 2023
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jianing Song, Jan 03 2023
STATUS
approved