88102

Appears in sequences

• Numbers k such that the decimal representation of k is contained as substring in that of the k-th triangular number.at n=18A119238
• Number of compositions of n where the difference between largest and smallest parts equals 6 and adjacent parts are unequal.at n=18A214275
• 26-gonal pyramidal numbers: a(n) = n*(n+1)*(8*n-7)/2.at n=28A256646
• Number of involutions of [n] having exactly one peak.at n=29A303649