474955

Appears in sequences

• n*3^(n-1)+A081567(n).at n=10A081666
• One of the two successive approximations up to 2^n for 2-adic integer sqrt(-7). This is the 3 (mod 4) case.at n=17A318961
• One of the two successive approximations up to 2^n for 2-adic integer sqrt(-7). This is the 3 (mod 4) case.at n=18A318961
• One of the two successive approximations up to 2^n for 2-adic integer sqrt(-7). This is the 3 (mod 4) case.at n=19A318961