40713

Appears in sequences

• Numbers n such that n | 6^n + 5^n + 4^n + 3^n.at n=17A057248
• Self-convolution of Lucas numbers.at n=16A099924
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 1, 0), (1, 1, -1), (1, 1, 1)}.at n=8A150615
• Bisection of A099924 (convolution of Lucas numbers); even arguments.at n=8A203573
• Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first differences in -n..n.at n=20A209033
• Numbers k with the property that k is the next lexicographically earliest number that cannot be expressed as a linear sum of the squares of preceding terms of the sequence with coefficients of 0, +1 or -1, with a(1)=1.at n=17A390487