30801

Appears in sequences

• Number of orbits of length n under a map whose periodic points are counted by A027306.at n=19A060172
• Integers k such that nextprime(k^5) - prevprime(k^5) = 4.at n=27A090123
• 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, 0, -1), (1, 0, 0), (1, 1, 1)}.at n=8A150493
• Number of nX4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=9A207510
• Least integer k such that the n-th prime of form m^2+1 divides the composite number k^2+1.at n=31A255675
• Indices of record high values in A036263.at n=13A293155
• Centered pentachoral numbers.at n=10A365205
• Intersection of A002061 and A016105.at n=36A370519
• Numbers k such that the k-th maximal run of composite numbers has length different from all prior maximal runs. Sorted positions of first appearances in A176246 (or A046933 shifted).at n=40A373400
• Number of face-connected components of square pyramidal cells in the hexakis cubic honeycomb up to translation, rotation, and reflection of the honeycomb.at n=11A385271