49172
domain: N
Appears in sequences
- Numbers n such that m + (sum of digits in base-4 representation of m) = n has exactly three solutions.at n=10A230635
- Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)^2, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A296246