936396

Appears in sequences

• Triangular numbers using only the curved digits 0, 3, 6, 8 and 9.at n=29A079653
• Smallest triangular number having n^2 as divisor.at n=36A080983
• a(n) = n^2 * (n^2 - 1)/2.at n=36A083374
• Triangular numbers composed of digits {3,6,9}.at n=6A119198
• a(n) = ((n-th prime)^4-(n-th prime)^2)/2.at n=11A138418
• Triangular numbers which are sums of 4 consecutive primes.at n=31A173420
• Let T(n) = n(n+1)/2 be the n-th triangular number (A000217); a(n) = T(8T(n)).at n=18A185096
• Triangular numbers that are the product of a triangular number and a square number (both greater than 1).at n=18A253650
• Triangular numbers that are the product of a square number and a prime number.at n=39A253653
• Triangular numbers such that the three numbers before it and the three numbers after it are squarefree.at n=36A374393