A114028 n-th partial concatenation of A114027 divided by n-th composite.

1, 8, 61, 5424, 488161, 4068009, 34868649, 3254407241, 305100678845, 2712006034178, 244080543076021, 23245766007240096, 2218914027963827346, 203400452563350840051, 19526443446081680644897, 1877542639046315446624712, 18080040227853408004534264, 1743432450543007200437232601

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Example

a(3) = 488/8 = 61.

Prog

(PARI) lista(nn) = {my(m, s=""); forcomposite(k=4, nn, m=4; while(eval(Str(s, m))%k || isprime(m), m++); print1(eval(s=Str(s, m))/k, ", ")); } \\ Jinyuan Wang, May 30 2020

Crossrefs

Cf. A002808 (composite numbers), A114027.

Sequence in context: A001466 A182257 A082179 * A044527 A269607 A296584

Adjacent sequences: A114025 A114026 A114027 * A114029 A114030 A114031

Keyword

nonn,base

Author

Amarnath Murthy, Nov 13 2005

Extensions

Corrected and more terms from Jinyuan Wang, May 30 2020

Status

approved