192510

Appears in sequences

• Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite EDI = Edingtonite Ba2[Al4Si6O20].8H2O starting with a T1 atom.at n=7A019012
• Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite THO = Thomsonite Na4Ca8[Al20Si20O80].24H2O starting at a T3 atom.at n=7A019061
• Smallest triangular number with Hamming weight n (i.e., with exactly n 1's when written in binary).at n=15A089999
• Triangular numbers for which the sum of the digits equals the sum of the digits of the next triangular number.at n=31A117511
• Triangular numbers that are the product of two triangular numbers greater than 1.at n=34A188630
• Triangular numbers that are the product of three distinct triangular numbers greater than 1.at n=26A225440
• Triangular numbers that can be represented as a product of two triangular numbers greater than 1, and as a product of three triangular numbers greater than 1.at n=13A295769
• Number of triples (i,j,k) such that i+j+k > 0 with -n <= i,j,k <= n.at n=36A302302