20698

Appears in sequences

• Number of base 28 circular n-digit numbers with adjacent digits differing by 5 or less.at n=4A125391
• Sum of the products of the first n prime pairs.at n=10A135232
• Number of nondecreasing strings of numbers x(i=1..6) in -n..n with sum x(i)^3 equal to 0.at n=40A188280
• Number of subsets of [n] whose sum is a triangular number.at n=18A284250
• Floor of area of quadrilateral with consecutive prime sides configured as a cyclic quadrilateral.at n=32A329950