176176

Appears in sequences

• Number of compositions of n into 7 ordered relatively prime parts.at n=19A023032
• Trajectory of 5 under map x->x + (x-with-digits-reversed).at n=13A033649
• Trajectory of 13 under map x->x + (x-with-digits-reversed).at n=10A033652
• Trajectory of 17 under map x->x + (x-with-digits-reversed).at n=9A033654
• Trajectory of 31 under map x->x + (x-with-digits-reversed).at n=10A033661
• Trajectory of 79 under map x->x + (x-with-digits-reversed).at n=8A033673
• n sets a new record for the number of integers k such that k is not of the form m + reverse(m) for any m and n occurs in the 'Reverse and Add' trajectory of k (cf. A067284).at n=23A067287
• Number of positions that are exactly n moves from the starting position in the Classic Lights Out puzzle.at n=6A079873
• a(n) = (1/4)* L(n)^2 * F(n+1)^2 * L(n-1) * F(n+2), where F(n) and L(n) are the Fibonacci and Lucas numbers, respectively.at n=5A163197
• Sum of the cubes of the first n even-indexed Fibonacci numbers.at n=5A163198
• Double q-form product triangle:q=3;c(n,q)=Product[(1 - q^i)*(1 - q^(i - 1)), {i, 2, n}];t(n,m,q)=c(n,q)/(c(m,q)*c(n-m,q)).at n=22A173885
• Double q-form product triangle:q=3;c(n,q)=Product[(1 - q^i)*(1 - q^(i - 1)), {i, 2, n}];t(n,m,q)=c(n,q)/(c(m,q)*c(n-m,q)).at n=26A173885
• Triangle T(n, k) = c(n, q)/c(k, q) if k <= floor(n/2), otherwise c(n, q)/c(n-k, q), where c(n, q) = Product_{j=1..n} (1 - q^j) and q = 3, read by rows.at n=23A174388
• Triangle T(n, k) = c(n, q)/c(k, q) if k <= floor(n/2), otherwise c(n, q)/c(n-k, q), where c(n, q) = Product_{j=1..n} (1 - q^j) and q = 3, read by rows.at n=25A174388
• Numbers that set records for number of divisors of n(n-1).at n=32A192488
• Numbers that have exactly 8 representations as a k-gonal number, P(m,k) = m*((k-2)*m - (k-4))/2, k and m >= 3.at n=6A321158
• Number of polycubes of size n and symmetry class B.at n=15A376966