23987

Appears in sequences

• Numbers k such that k | 10^k + 9^k + 8^k + 7^k.at n=31A057214
• Beginning with 3, least number such that concatenation of first n terms and its digit reversal both are primes.at n=36A111382
• Number of nondecreasing strings of numbers x(i=1..n) in -6..6 with sum x(i)^3 equal to 0.at n=15A188274
• Number of compositions of n with exactly two occurrences of the largest part.at n=16A243737
• Molien series for invariants of finite Coxeter group A_12.at n=54A266781
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2) + 3, where a(0) = 1, a(1) = 2, b(0) = 3.at n=17A294535