Alastair Stanley - cp's OEIS frontend

User: Alastair Stanley

Alastair Stanley has authored 2 sequences.

A322920 Smallest number a(n) formed from consecutive sequences of digits of Pi and satisfying a(n) > Sum_{i=1..n-1} a(i); first 3 is omitted.

1, 4, 15, 92, 653, 5897, 9323, 84626, 433832, 795028, 8419716, 939937510, 5820974944, 59230781640, 628620899862, 803482534211, 7067982148086, 51328230664709, 384460955058223, 1725359408128481, 11745028410270193, 85211055596446229

Offset: 1

Alastair Stanley, Dec 31 2018

			The first few terms are the same as those of A008829. The first deviation from A008829 occurs at the 11th term: a(11) = 8419716. Although 841971 is larger than a(10) = 795028 it is smaller than the sum of the first 10 terms = 1329471.

Cf. A008829.

A201221 The smallest number of previous terms of sequence A008829 which are required to sum to A008829(n).

Original entry on oeis.org

4, 6, 8, 10, 12, 14, 16, 16, 19, 16, 18, 17, 19, 18, 28, 34, 72, 49, 57, 35, 51, 36, 97, 65, 56, 56, 57, 69, 64, 65, 219, 136, 96, 72, 79, 75, 78, 74, 78, 70, 72, 73

Offset: 2

Alastair Stanley, Nov 30 2011

			For n=2, the corresponding term of A008829 is 4, and the only preceding term is 1, therefore four 1s are needed and term a(2)=4.
Likewise, for n=3, the corresponding term is 15, which is three 4s and three 1s, so term a(3)=6.

Cf. A008829.

More terms from Alastair Stanley, Nov 29 2018

cp's OEIS Frontend

User: Alastair Stanley

A322920 Smallest number a(n) formed from consecutive sequences of digits of Pi and satisfying a(n) > Sum_{i=1..n-1} a(i); first 3 is omitted.

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