212940

Appears in sequences

• From the enumeration of corners.at n=12A006332
• Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reverse, complement and reversed complement.at n=26A045665
• Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=13.at n=21A135198
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to 2.at n=11A180282
• Recursive triangle for calculating A186491.at n=31A186492
• Numbers with prime factorization pqr^2s^2t^2.at n=19A190379
• Integer areas of the tangential triangles corresponding to the integer-sided triangles with integer areas.at n=6A230361
• Numbers which are sum of three squares of positive numbers and also 5 times of the sum of their joint products.at n=18A347969