42132

Appears in sequences

• Numbers k such that 2^k mod k = 2^k mod k^2.at n=44A068535
• Numbers k that are not powers of 2 such that 2^k mod k = 2^k mod k^2; or A068535 with powers of 2 excluded.at n=28A125773
• Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 2 X n array.at n=32A219382
• Number of (n+1) X (1+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..3 introduced in row major order.at n=10A231356
• Indices where A092243 strictly changes sign.at n=13A269737
• Numbers whose digits are in nondecreasing order in bases 7 and 8.at n=37A329297
• 4*a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n).at n=20A340923
• Prime gaps: differences between consecutive primes, starting at 10^100000.at n=2A365612
• Expansion of e.g.f. (1/x) * Series_Reversion( x * (1 - 3*x*exp(x)) ).at n=4A380097