90641

Properties

Appears in sequences

• Expansion of e.g.f.: exp(arcsin(sinh(x)))=1+x+1/2!*x^2+3/3!*x^3+9/4!*x^4+41/5!*x^5...at n=9A012099
• sinh(arcsin(sinh(x)))=x+3/3!*x^3+41/5!*x^5+1403/7!*x^7+90641/9!*x^9...at n=4A012104
• Primes of the form x^2 + 29*(x+1)^2.at n=14A176695
• Number of 2n X 4 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=5A198247
• Number of 2nX12 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=1A198251
• T(n,k)=Number of 2nX2k 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=22A198253
• T(n,k)=Number of 2nX2k 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=26A198253
• Partial sums of cuban primes A002407, that is, primes equal to the difference of two consecutive cubes.at n=28A221793
• Primes p such that p + prime(p) is a square.at n=15A242625
• Prime numbersat n=8773