59121

Appears in sequences

• Numbers having four 0's in base 9.at n=23A043456
• a(0)=1, a(1)=1, a(n) = 9*a(n/2) for even n >= 2, and a(n) = 8*a((n-1)/2) + a((n+1)/2) for odd n >= 3.at n=34A116526
• Totally multiplicative sequence with a(p) = a(p-1) + 8 for prime p.at n=33A166705
• Number of ways of writing n as the sum of 9 triangular numbers.at n=25A226253