A031253 -id:A031253 - cp's OEIS frontend

A031263 Length of n-th run of digit 3 in A031253.

1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3

Offset: 1

Clark Kimberling

a(86) corrected by Sean A. Irvine, Apr 20 2020

A031264 Length of n-th run of digit 4 in A031253.

Original entry on oeis.org

1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1

Offset: 1

Clark Kimberling

a(79) corrected by Sean A. Irvine, Apr 20 2020

A031266 a(n)=(# 1's)-(# 2's) in first n terms of A031253.

Original entry on oeis.org

1, 1, 2, 2, 3, 2, 3, 3, 2, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 3, 4, 4, 4, 5, 6, 7, 8, 9, 9, 10, 9, 9, 10, 9, 8, 9, 8, 8, 9, 9, 10, 11, 11, 11, 12, 12, 12, 13, 13, 12, 13, 13, 13, 12, 12, 13, 12, 12, 12, 11, 12, 12, 11, 12, 11, 10, 11, 11

Offset: 1

Clark Kimberling

nonn

Accumulate[Which[#==1,1,#==2,-1,True,0]&/@(Table[IntegerDigits[2n-1,5],{n,60}]//Flatten)] (* Harvey P. Dale, Apr 16 2024 *)

A031267 (# 2's)-(# 3's) in first n terms of A031253.

Original entry on oeis.org

0, -1, -1, -1, -1, 0, 0, 0, 1, 1, 2, 1, 0, 0, -1, 0, -1, -1, -1, -1, -1, -2, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -2, -1, -1, -1, 0, 1, 1, 2, 2, 2, 1, 1, 1, 0, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 1, 1, 1, 2, 2, 1, 2, 2, 2, 3, 3, 4

Offset: 1

Clark Kimberling

sign

A031268 a(n)=(# 3's)-(# 4's) in first n terms of A031253.

Original entry on oeis.org

0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 2, 3, 3, 4, 3, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 3, 4, 4, 3, 3, 3, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 3, 4

Offset: 1

Clark Kimberling

nonn

cp's OEIS Frontend

A031263 Length of n-th run of digit 3 in A031253.

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A031264 Length of n-th run of digit 4 in A031253.

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A031266 a(n)=(# 1's)-(# 2's) in first n terms of A031253.

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A031267 (# 2's)-(# 3's) in first n terms of A031253.

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A031268 a(n)=(# 3's)-(# 4's) in first n terms of A031253.

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