70221

Appears in sequences

• Number of partitions of 1/n into 4 reciprocals of positive integers.at n=38A020327
• Numbers k which divide the sum of the Fibonacci numbers F(1) through F(k) and such that k is not a multiple of 24.at n=39A124456
• 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, 1, -1), (0, 1, -1), (1, -1, 0), (1, 1, 1)}.at n=9A149602
• a(n) = 100*n^2 + 100*n + 21.at n=26A152161
• Odd integers m that divide the sum of the first m nonzero Fibonacci numbers.at n=38A331976
• Numbers k such that the sum of iterations of the alternating sum of divisors function A071324 starting from k is equal to 2*k.at n=6A333263
• Number of partitions of n with rank a multiple of 4.at n=51A363233