131076
domain: N
Appears in sequences
- Numbers k such that k | 8^k + 8.at n=33A015897
- Jacobi form of weight 12 and index 1 associated to a (nonexistent) lattice vector of norm 2 for the Leech lattice.at n=8A056945
- a(n) = 4*n^3 + 4.at n=32A100214
- Triangle read by rows: T(n,k) = n*(1+n^k)/2, 0<=k<=n.at n=41A108396
- Sequence t_n arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition).at n=14A129875
- a(n) = 2^n + 4.at n=17A140504
- a(0) = 4; for n >= 1, a(n) = 2^n + 4.at n=17A146528
- Positive integers with the same number of 1s in base 10 and base 2.at n=14A153115
- a(n) = the smallest positive multiple of n with exactly n digits when written in binary.at n=17A162213
- a(n) = n*(n^5 + 1)/2.at n=8A167963
- Numbers of the form A019434(i) + A000668(j).at n=26A168335
- 1/4 the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences.at n=32A209723
- a(n) = 2^x+2^y where p(n) is the n-th prime of the form 4*k+1 and x, y is the unique integer solution to p(n) = x^2+y^2.at n=28A226640
- Number of length n+2 0..3 arrays with every three consecutive terms having the sum of some two elements equal to twice the third.at n=40A248428
- a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 9's.at n=11A254717
- Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 398", based on the 5-celled von Neumann neighborhood.at n=49A288014
- Number of collapsible integer compositions of n.at n=34A353860
- Numbers of the form k*(k^5 +- 1)/2.at n=15A361263