38164

Appears in sequences

• Numbers that define integer Heronian triangles [a(n), prime(a(n)), A068968(n)] with area A068969(n).at n=38A068967
• A sequence analogous to the Lucas numbers (A000032), with ratios converging to Pi.at n=10A085422
• a(n) = n*(n+1)*(5*n+1)/3.at n=28A174814
• Even numbers 2m such that A352612(2m) = A103131(2m).at n=41A352587
• Numbers k such that k and k+2 are both terms in A380846.at n=10A381073