29051

Appears in sequences

• Non-palindromic solutions to sigma(R(n)) = sigma(n), where R = A004086 is digit-reversal.at n=15A085329
• a(n) = p^n + q^n, p = (1 + sqrt(21))/2, q = (1 - sqrt(21))/2.at n=9A085487
• Indices of primes in sequence defined by A(0) = 23, A(n) = 10*A(n-1) + 43 for n > 0.at n=11A101967
• a(0)=1, a(1)=1, a(n) = 11*a(n/2) for even n, and a(n) = 10*a((n-1)/2) + a((n+1)/2) for odd n >= 3.at n=26A116525
• Sum over all partitions of n of the sum of the parts that are smaller than the largest part.at n=24A116688
• The successive approximations up to 2^n for 2-adic integer 3^(1/3).at n=15A322701