67253

Appears in sequences

• Frobenius number of the numerical semigroup generated by four consecutive tetrahedral numbers.at n=18A069761
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) + 1, 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=19A295953