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Index to OEIS: Section X

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Index to OEIS: Section X


[ Aa | Ab | Al | Am | Ap | Ar | Ba | Be | Bi | Bl | Bo | Br | Ca | Ce | Ch | Cl | Coa | Coi | Com | Con | Cor | Cu | Cy | Da | De | Di | Do | Ea | Ed | El | Eu | Fa | Fe | Fi | Fo | Fu | Ga | Ge | Go | Gra | Gre | Ha | He | Ho | Ia | In | J | K | La | Lc | Li | Lo | Lu | M | Mag | Map | Mat | Me | Mo | Mu | N | Na | Ne | Ni | No | Nu | O | Pac | Par | Pas | Pea | Per | Ph | Poi | Pol | Pos | Pow | Pra | Pri | Pro | Ps | Qua | Que | Ra | Rea | Rel | Res | Ro | Ru | Sa | Se | Si | Sk | So | Sp | Sq | St | Su | Sw | Ta | Te | Th | To | Tra | Tri | Tu | U | V | Wa | We | Wi | X | Y | Z | 1 | 2 | 3 | 4 ]


x in S implies 2x not in S: A050292
x*ceiling(x), iterating (1): A073524, A073528, A073529, A068119, A001511, A072340, A073341, A075102, A075103, A075120, A075107, A075108
x*ceiling(x), iterating (2): A023506
x*floor(x), iterating: A087666, A086336, A087663
x/(1-rx-sx^2): see Fibonacci numbers, generalized
XOR(x,y): A003987*
XOR, bitwise: A048724, A178729, A048725, A178731, A178732, A178733, A178734, A178735, A178736, A038712, A048726, A065621, A003987, A169810, A070883
XOR, see also (1): A003815 A003816 A006582 A007462 A033460 A038554 A038712 A038713 A048706 A048833 A050314
XOR, see also (2): A050600 A050601 A050602 A051124 A051933 A054243
x^2+xy+y^2, of form: A003136*
x^2+y^2 <= n, sequences related to :

x^2+y^2 <= n: A000328*, A057655*, A051132, A046109, A046110, A046111, A046112

x^2+y^2+2z^2, of form: A000401*, A055039, A014455 (number of representations)
x^4+y^4+z^4 = t^t: A003828*
x^x, derivative of: A005727*, A005168*


[ Aa | Ab | Al | Am | Ap | Ar | Ba | Be | Bi | Bl | Bo | Br | Ca | Ce | Ch | Cl | Coa | Coi | Com | Con | Cor | Cu | Cy | Da | De | Di | Do | Ea | Ed | El | Eu | Fa | Fe | Fi | Fo | Fu | Ga | Ge | Go | Gra | Gre | Ha | He | Ho | Ia | In | J | K | La | Lc | Li | Lo | Lu | M | Mag | Map | Mat | Me | Mo | Mu | N | Na | Ne | Ni | No | Nu | O | Pac | Par | Pas | Pea | Per | Ph | Poi | Pol | Pos | Pow | Pra | Pri | Pro | Ps | Qua | Que | Ra | Rea | Rel | Res | Ro | Ru | Sa | Se | Si | Sk | So | Sp | Sq | St | Su | Sw | Ta | Te | Th | To | Tra | Tri | Tu | U | V | Wa | We | Wi | X | Y | Z | 1 | 2 | 3 | 4 ]


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