5592408

Appears in sequences

• a(1) = 4; then alternately add -4 and multiply by -2.at n=44A096406
• a(n) = abs(A154879(n+1)).at n=23A115341
• Numbers k such that A003313(k) = A003313(9*k).at n=23A116463
• a(n) = 3a(n-1) - 3a(n-2) + 2a(n-3), a(0) = 3, a(1) = 2, a(2) = 0.at n=24A131370
• Third differences of the Jacobsthal sequence A001045.at n=24A154879
• Jacobsthal numbers A001045 alternatingly incremented by 3 and 5.at n=24A154890
• a(n) = (4^n + 8)/3.at n=12A155701
• Number of non-colorable strings of length n considered by the alternating coloring function.at n=25A378105