22249

Appears in sequences

• Sum of 12 positive 9th powers.at n=18A004801
• Number of partitions of n into parts not of the form 15k, 15k+7 or 15k-7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 6 are greater than 1.at n=41A035961
• Numbers k such that k^14 == 1 (mod 15^3).at n=26A056087
• Numbers k such that sigma(k+1) = 2*phi(k).at n=13A067260
• Subminimal numbers, from minimal numbers by analogy with subfactorials.at n=55A079717
• a(n) = |b(n)| where b(n) = -b(n-1) + 6*b(n-3) with b(0)=0, b(1)=1, b(2)=1.at n=17A107786
• a(n) = A064688(n) - 1.at n=18A123557
• Numbers k such that 2^(2*k - 1) - 1 is prime.at n=25A138576
• 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, 1), (0, 1, 0), (1, 0, 0), (1, 1, -1), (1, 1, 1)}.at n=7A151160
• Partial sums of A174928.at n=36A174929
• Number of n-bead necklaces labeled with numbers -6..6 allowing reversal, with sum zero and first differences in -6..6.at n=6A209030
• Number of 7-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first differences in -n..n.at n=5A209035