A126883 - cp's OEIS frontend

A126883 a(n) = (2^0)(2^1)(2^2)*(2^3)...(2^n)-1 = 2^T(n) - 1 where T(n) = A000217(n) is the n-th triangular number.

n	a(n)
0	0
1	1
2	7
3	63
4	1023
5	32767
6	2097151
7	268435455
8	68719476735
9	35184372088831
10	36028797018963967
11	73786976294838206463
12	302231454903657293676543
13	2475880078570760549798248447
14	40564819207303340847894502572031
15	1329227995784915872903807060280344575

[0, 1, 7, 63, 1023, 32767, 2097151, 268435455, 68719476735, 35184372088831, 36028797018963967, 73786976294838206463, 302231454903657293676543, 2475880078570760549798248447, 40564819207303340847894502572031, 1329227995784915872903807060280344575]

cp's OEIS Frontend

A126883 a(n) = (2^0)(2^1)(2^2)*(2^3)...(2^n)-1 = 2^T(n) - 1 where T(n) = A000217(n) is the n-th triangular number.

Table of values

List of values

cp's OEIS Frontend

A126883 a(n) = (2^0)*(2^1)*(2^2)*(2^3)...(2^n)-1 = 2^T(n) - 1 where T(n) = A000217(n) is the n-th triangular number.

Table of values

List of values

A126883 a(n) = (2^0)(2^1)(2^2)*(2^3)...(2^n)-1 = 2^T(n) - 1 where T(n) = A000217(n) is the n-th triangular number.