1313010

Appears in sequences

• Triangular numbers with every digit a triangular number.at n=28A062100
• Triangular numbers composed of digits {0,1,3}.at n=9A119035
• Triangular numbers divisible by the square of the sum of their digits.at n=22A243008
• Triangular numbers whose sum of digits is 9.at n=28A375824
• Square array read by antidiagonals upwards: T(i,j) is the smallest number m such that the symmetric representation of sigma, SRS(m), has maximum width 3, consists of i parts and has 2*j occurrences of maximum width 3 in its width pattern (row m of A341969).at n=26A377667