88215
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 99.at n=2A031777
- a(1)=1; for n>1, a(n) = a(n-1) + n^0 if n odd, a(n) = a(n-1) + n^3 if n is even.at n=28A135332
- Number of second differences of arrays of length n+2 of numbers in 0..7.at n=3A228217
- Number of second differences of arrays of length 6 of numbers in 0..n.at n=6A228221
- Number of palindromic compositions of n with parts in {1,2,4,6,8,10,...}.at n=38A276055
- a(n) = a(n-1) + 2*a(n-2) - a(n-3), where a(0) = 2, a(1) = 4, a(2) = 7.at n=18A287381
- p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - S^3)^2.at n=9A291015