200281

Appears in sequences

• Least k such that A052343(k)=n.at n=16A052345
• Smallest number which is the sum of two positive triangular numbers in exactly n different ways.at n=16A052346
• Indices of A052343 (ways to write n as sum of two triangular numbers) where record values are reached.at n=10A052348
• Indices of A052344 (ways to write n as sum of two nonzero triangular numbers) where record values are reached.at n=10A053587
• Smallest number which is the sum of two positive triangular numbers (A000217) in at least n ways.at n=12A234004
• Smallest number which is the sum of two positive triangular numbers (A000217) in at least n ways.at n=13A234004
• Smallest number which is the sum of two positive triangular numbers (A000217) in at least n ways.at n=14A234004
• Smallest number which is the sum of two positive triangular numbers (A000217) in at least n ways.at n=15A234004
• Number of words w of length n such that each letter of the quaternary alphabet is used at least once and for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z.at n=8A321840
• a(n) is the smallest nonnegative integer that can be written as a sum of two distinct nonzero triangular numbers in exactly n ways or -1 if no such integer exists.at n=16A342326